PT8A2646P [PERICOM]
Analog Circuit,;
| 型号： | PT8A2646P |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Analog Circuit, |
| 文件： | 总12页 (文件大小：126K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Product Features
Product Description
·
·
·
·
·
·
·
·
·
·
Operating voltage: 5V (Typ.)
Average supply current: 120µA (Typ.)
2 stage op-amp for filter.
The PT8A264X is a CMOS LSI chip designed for use
in automatic PIR lamp control. It can operate with a 2-
wire configuration for triac applications or with a 3-
wire configuration for relay applications. The chip is
equipped with operational amplifiers, a comparator,
timer, a zero crossing detector, control circuit, a
voltage regulator, a system oscillator, and an output
timing oscillator.
Build-in noise rejection circuit.
On-chip regulator.
Adjustable output duration
Override function.
ON/AUTO/OFF selectable by MODE pin
Apply to AC 220V/50Hz and 110V/60Hz.
Auto-reset if the ZC signal disappears over 3
seconds
Its PIR sensor detects infrared power variations
induced by the motion of a human body and transforms
it to a voltage variation. If the PIR output voltage
variation conforms to the criteria (refer to the
functional description), the lamp is turned on with an
adjustable duration. The PT8A264X offers three
operating modes (ON, AUTO, OFF) which can be set
through the MODE pin. While the chip is working in
the AUTO mode the user can override it and switch to
the quickly install mode, or manual ON mode, or
return to the AUTO mode by switching the power
switch.
·
Output pulse (PT8A2641/5/7) to drive triac or
output level(PT8A2642/6/8) to drive relay.
CDS to enable/disable output.
40 second warm-up.
·
·
·
Quick check mode for installation.
Ordering Information
Part Number
Package
16-Pin DIP
PT8A264XP
PT8A264XPE
Lead free 16-Pin DIP
16-Pin SOIC
PT8A264XW
PT8A264XWE
Lead free 16-Pin SOIC
Block Diagram
Figure 1 Block Diagram
OP2O
OP2N
OP2P
_
MODE
CDS
Mode and CDS
control circuit
Comparator
latch circuit
+
COMPO
CDSO
RSTB
Voltage
divider
OP1O
OP1P
OP1N
+
_
Control
circuit
Regulator
RELAY
TRIAC
Output
circuit
VEE
GND
Vcc
ZC
delay
oscillator
Delay
circuit
OSCD
System
oscillator
Frequency
divider
Zero cross
debounce
OSCS
PT0192(08/0 5)
Ver:2
1
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Pin Information
Pin Configuration
GND
TRIAC
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
RSTB
VEE
GND
RELAY
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
CDS
CDS
MODE
Vcc
MODE
Vcc
RSTB
VEE
PT8A2641P/2641W
PT8A2642P/2642W
GND
TRIAC
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
CDSO
VEE
GND
RELAY
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
CDS
CDS
MODE
Vcc
MODE
Vcc
CDSO
VEE
PT8A2645P/2645W
PT8A2646P/2646W
GND
TRIAC
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
COMPO
VEE
GND
RELAY
OSCD
OSCS
ZC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
CDS
CDS
MODE
Vcc
MODE
Vcc
COMPO
VEE
PT8A2647P/2647W
PT8A2648P/2648W
PT0192(08/0 5)
Ver:2
2
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Pin Description
Part number
2641 2642 2645 2646 2647 2648
Pin name I/O
Description
1
1
1
1
1
1
GND
I
Ground
RELAY drive output through an external NPN
transistor, active high
-
2
-
2
-
2
RELAY
O
TRIAC drive to output two negative pulses, active
negative pulse.
Output timing oscillator I/O
2
3
-
2
3
-
2
3
-
TRIAC
OSCD
O
3
3
3
I/O It is connected to an external RC to adjust output
duration.
System oscillator I/O OSCS is connected to an
4
5
4
5
4
5
4
5
4
5
4
5
OSCS
ZC
I/O
I
external RC to set the system frequency. The
system frequency =16KHz for normal application.
Schmitt input for AC zero crossing detection
CDS is connected to a CDS voltage divider for
daytime/night auto-detection. Low input to this pin
can disable the PIR input. CDS is a schmitt trigger
input with 5-second input debounce time.
Operating mode selection input:
6
6
6
6
6
6
CDS
I
VCC: TRIAC/RELAY is always ON
GND: TRIAC/RELAY is always OFF
Open: Auto detection, outputs 31.25Hz square
wave
7
7
7
7
7
7
MODE
I/O
8
9
8
9
8
9
8
9
8
9
8
9
Vcc
I
Positive power supply
Regulated voltage output The output voltage is
about 3.6V with respect to GND.
VEE
O
10
-
10
-
RSTB
CDSO
I
Chip reset input, active low
-
10
-
10
-
-
-
-
CDS control circuit output signal, active high
output of comparator, active high
-
-
10
10
COMPO
-
-
11
12
13
14
15
16
11
12
13
14
15
16
11
12
13
14
15
16
11
12
13
14
15
16
11
12
13
14
15
16
11
12
13
14
15
16
OP1P
OP1N
OP1O
OP2P
OP2N
OP2O
I
I
O
I
I
O
Noninverting input of OP1
Inverting input of OP1
Output of OP1
Noninverting input of OP2, internal 1.8V default.
Inverting input of OP2
Output of OP2
Note: The active output width of COMPO is inversely proportional to the system frequency.
PT0192(08/0 5)
Ver:2
3
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Functional Description
VEE: supplies power to the analog front end circuit, it is about a stable 3.6V with respect to GND normally.
OSCS: a system oscillator input pin. System frequency of 16KHz can be generated when connecting to an external RC shows
as figure 2 (R=430K, C=180pf).
OSCD: input pin of timing oscillator. It’s connected to an external RC to obtain the desired output timer. Variable output turn-
on duration can be achieved by selecting various values of RC or using a variable resistor, see figure 3.
Note: The minimum resistor should be low enough to 2K in order to provide adjustable range about 1000 times between min
and max timer (The maximum resistor is 3M). It is recommended that CD is more than 103 in order to guarantee not too bad
linearity.
RELAY (TRIAC): an output pin set as a RELAY driving (active high) output for the PT8A2642/6/8, or as a TRIAC driving
(active low) output for the PT8A2641/5/7. The output active duration is controlled by the OSCD oscillating period.
CDS and CDSO: CDS has a schmitt trigger input structure. It is used to distinguish lighteness. With a resistor divider
including a CDS component, if light is weak enough, CDS is high the PIR input is active. Oppositely, the CDSO will be
inactive when CDS is low. The input debounce time from inactive to active is 5 seconds. CDS should be pulled high without
using this function. The input of CDS will be ignored once the output is active.
CDS
LOW
HIGH
Status
Day Time
Night
CDSO
inactive
active
Figure 4 CDS input interface and enable debounce
RW
CDS
<5s
>5s
CDS
Photo
Resistor
CDSO enable
disable
enable
C
Figure 5 RSTB application example
RSTB: used to reset the chip. It is internal pull-high and active low.
The use of CRST can extend the power-on initial time. If the RSTB
pin is an open circuit (without CRST), the initial time is the default
(40 secs).
VC
C
RES
T
RST
B
CRST
VSS
PT0192(08/0 5)
Ver:2
4
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Power on initial: Because the band-pass filter and amplifier require a warm up period to reach a stable state after power-on so
any inputs should be ignored during this period.
In the AUTO mode within the first 10 seconds of power-on initialization, the system allows override control to access the
quickly install mode. However, after 40 seconds of the initial time the system allows override control between ON and AUTO.
It will remain in the warm up period if the total initial time has not elapsed after returning to AUTO.
In case that the ZC signal disappears more than 3 seconds, the chip will restart the initialization operation. However, the restart
initial time is always 40 seconds and cannot be extended by adding CRST to the RSTB pin as shown in Fig.5.
MODE: a tri-state input pin used to select the operating mode.
MODE
VCC
Operating Mode
Output always ON
Description
RELAY outputs high at ZC rising edge
TRIAC outputs negative pulse train with synchronizing to ZC
GND
Open
Output always OFF RELAY outputs low
TRIAC outputs high
AUTO
Outputs remain off state until activated by a valid PIR trigger signal. When working in
the AUTO mode, the chip allows override control by switching the ZC signal. MODE
outputs square wave with frequency of 31.25Hz.
ZC: a CMOS input structure. It receives AC line frequency and generates zero crossing pulses to synchronize the triac/relay
driver. With an effective ZC signal switching (switch OFF/ON 2 times within 3 seconds), the system provides the following
additional functions:
Quickly install mode: Within 10 seconds after power-on, effective ZC switching will force the chip to enter the quickly
install mode. During the mode, the outputs will be active for a duration of 1.3 seconds each time a valid PIR trigger signal
is received. If a time interval exceeds 32 seconds without a valid trigger input, the chip will enter the AUTO mode
automatically.
Figure 6 Test mode
10s
RSTB
40s warm up time
Test enable
ZC
<3s
COMPO
>0.34s
Relay
*
**
OFF
ON
1.3s
ON
1.3s
ON
1.3s
ON
1.3s
(Triac)
2s
2s
>32s
*&**:flash 3 times at 2Hz rate for 2641/5/7;for 2642/6/8,No flash
Override control: When the chip is working in the AUTO mode (MODE= open), the output is activated by a valid PIR trigger
signal and the active output duration is controlled by the OSCD oscillating period. The lamp can be switched always to “ ON”
from the AUTO mode by either switching the MODE pin to VCC or switching the ZC signal by an OFF/ON operation of the
power switch (OFF/ON twice within 3 seconds). The term "override" refers to the change of operating mode by switching the
power switch. The chip can be toggled from ON to AUTO by an override operation. Shows as figure 7.
If the chip is overridden to ON and there is no further override operation, it will return to AUTO automatically after an
internal preset ON time duration has elapsed. This override ON time duration is set to 5 hours, refer to fig 7.
The PT8A2641/5/7 will flash on output pin when changing the operating mode. It will flash 3 times at a 1Hz rate each time
the chip changes from the AUTO mode to another mode or flash 3 times at a 2Hz rate when returning to the AUTO mode.
But
PT8A2642//6/8 does no flash at the same condition.
PT0192(08/0 5)
Ver:2
5
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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However, if the AUTO mode is changed by switching the MODE switch output will not flash.
Fig.7 ZC override timing
flash
ON
flash
AUTO
flash
flash
AUTO
Operating
Mode
AUTO
ON
5 hours
ZC
Any operations during flash period are inactive, the flash period is about 3s from AUTO to ON, 3s from ON to AUTO.
COMPO: COMPO is output from comparator, it can be output at pin 10 if needed. Signal from two-stage opamp outputs to a
window comparator as pre-operation, COMPO outputs active positive pulses with various width once signal beyond window
level. Whether an active PIR signal is detected, see trigger timming diagram below for detail.
Trigger timing
Figure 8 Trigger timing
RSTB
CDS
5s
CDSO
+trigger
level
OP2O
-trigger
>Tmt
mt
level
(Note1)
COMPO
<
T
(Note2)
Warm up 40s
Detect
Enable
Test
Enable
10s
RELAY
ON
ON
TRIAC
pulse out
(Note3)
Note: 1. One measurable trigger width (Tmt) from comparator output is 24ms~ 32ms which varies with frequency of system
oscillator (typical system frequency=16KHz ).
2. The output is activated if the trigger signal conforms to the following criteria:
q
q
q
A trigger signal sustain duration:0.34 seconds.
2 trigger signals within 2 seconds with one of the trigger signal sustain:0.16 seconds.
More than 3 measurable triggers within 2 seconds.
3. The output duration is set by an external RC that is connected to the OSCD pin.
Retrigger
If another signal is attained in trigger hold time, the circuit will be retriggered, and the trigger hold time will be started from
this time.
PT0192(08/0 5)
Ver:2
6
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Timing Diagram
ZC
T
DZR
RELAY
ZC
T
DZT
T
DZT
TRIAC
T
TPW
7*TTPW
TTPW
Absolute Maximum Ratings
Note:
Storage temperature - -------- ------- ------- -------- - -------- - -40°C to +125°C
Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating only
and functional operation of the device at these or
any other conditions above those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
reliability.
Supply Voltage to Grourd Potential (Input & V Only)----- -GND -0.5V to Vcc+0.5V
CC
Supply Voltage to Grourd Potential (output & D/O Only)--- --GND -0.5V to Vcc+0.5V
DC Input Voltage --- ------- -------- ------- -------- -------- -- -0.5V to + 6.0V
DC Output Current-------------------- ------- ---------------- ------- 20mA
Power Dissipation -------------- -------- ------- -------- -------- ----500mW
Recommended Operating Conditions
Test Condition
Condition
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
-
VCC
VIH
Operating Voltage
“ H” Input Voltage
-
4.75
0.8
5.0
-
6.0
-
V
-
-
-
VCC
VIL
“ L” Input Voltage
-
-
-
0.2
VCC
ROSCS=430K
COSCS=180P
FSYS
System Oscillator Frequency
5V
12.8
16
19.2
KHz
TA
Operating temperature
-
-
-20
25
70
°C
PT0192(08/0 5)
Ver:2
7
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Electrical Characteristics
Test Condition
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
5V
5V
5V
5V
5V
5V
5V
5V
Condition
VTH1
VTL1
VTH2
VTL2
VTH3
VTL3
VTH4
VTL4
CDS “ H” Transfer Voltage
CDS “ L” Transfer Voltage
ZC “ H” Transfer Voltage
ZC “ L” Transfer Voltage
OSCS “ H” Transfer Voltage
OSCS “ L” Transfer Voltage
OSCD “ H” Transfer Voltage
OSCD “ L” Transfer Voltage
High level leakage current
(ZC,CDS)
3.0
0.9
2.6
1.1
2.7
0.8
2.7
0.8
3.3
1.2
2.9
1.4
3
1
3
1
3.6
1.5
3.2
1.7
3.3
1.2
3.3
1.2
V
V
V
V
V
V
V
V
I IH
5V
VIH=4.5V
-1
-
1
mA
Low level leakage current
(ZC,CDS)
RSTB Input high level current
Output source current(RELAY,
TRIAC)
I IL
5V
5V
5V
VIL=0.5V
VIH=4.5V
VOH=4.5V
-1
-1
-
-
-
1
-5
-
mA
mA
mA
I IHRSTB
IOH
–6
Output sink current(RELAY,
TRIAC)
Output source
Current(CDSO,COMPO)
Output sink
current(CDSO,COMPO)
IOL
IOH
IOL
5V
5V
5V
VOL=0.5V
VOH=4.5V
VOL=0.5V
15
–5
5
-
-
-
-
-
-
mA
mA
mA
Voltage regulation circuit
Test Condition
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Condition
VEE
OP2P
DVO
Regulator Output Voltage
Noninverting input of OP2
Line regulation
5V
5V
-
No load
3.24
3.6
1.8
30
3.96
1.98
50
V
V
No load
1.62
4.5£VCC£5.5V, IL =1mA
0.5mA £ IL£2mA
-
-
mV
mV
DVLDR
Load regulation
5V
60
100
Operational amplifier and windows comparator
Symbol
Description
Test condition
Min
TYP
Max
Unit
BW
3dB band width
-
10
-
-
KHz
VH
VL
VCC=5V
VCC=5V
1.8
2.0
1.5
2.2
V
V
Threshold of windows
comparator
1.35
1.65
Frequency of oscillator and Timing of ZC and trigger output
Symbol
Description
Test condition
Min
Typ
Max
Unit
FMODE
Oscillator frequency/512
25
31.25
37.5
Hz
TDZT
TTPW
Delay time from ZC to TRIAC
TRIAC Pulse Width
1.16
50
1.45
62.5
1.74
75
ms
VCC=5V, RS=430KW ,CS=180P
ms
(PT8A264X)
Delay time from ZCrising edge
to Relay
TDZR
-
125
200
ms
Power Dissipation
Symbol
Description
Test condition
Min
Typ
Max
Unit
VCC=5V, RS=430KW ,CS=180P,
RD =2MW, CD=104, other Input
Pins=GND, all outputs float.
ICC
Power supply current
-
120
200
mA
PT0192(08/0 5)
Ver:2
8
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Application Circuits
Typical application circuit of two wires PIR detector
SW1
ON/OFF OVERRIDE
C7
104
1M
R6
C3
180P
U2
VSS
1
2
3
4
5
6
16
15
14
13
12
11
10
9
C5
203
C6
OP2O
OP2N
OP2P
OP1O
OP1N
22UF/16V
VCC
TRIAC
OSCD
OSCS
ZC
R5
22K
15K
R15
R8
C9
10UF/16V
LAMP
20~100W
C8
104
R7
2M
C
120p
430K
R9
R4
1M
C2
203
2M
R2
D3
CDS
OP1P
CDSO
RSTB
COMPO
VEE
1N6263
OFF
AUTO
ON
2M
MOD7E
SW2
1M
MODE
VDD
R11
C10
R12
22K
R14
VCC
8
R3
D5
D4
68/2W
Q1
1N4007
1N4148
R10
0.33U/630V
U1
56K
PT8A2641/5/7
C4
100UF/16V
D
S
G
470UF/16V
C11
C12
22UF/16V
3
TRIAC
R1
20K
R13
CDS
203 C13
D1
6.2V
C1
D2
1N4007
100UF/16V
AC 110V~230V
Note:
1. Adjust R10 to fit various CDS.
2. Change C7 to obtain the desired adjusting range of output duration.
3. Change the value of C10 to 0.22uf/630V for AC 220V application.
Typical application circuit of three wires PIR detector
LAMP
relay
20~100W
15mA
1M
R11
U2
VSS
C3
Q1
C7
K1
D1
IN4001
9014
C6 180P
104
1
2
3
4
5
6
7
8
16
C8
56K
OP2O
R14
203
22UF/16V
15
14
13
12
11
10
9
RELAY
OSCD
OSCS
ZC
OP2N
OP2P
OP1O
OP1N
R5
22K
R10 2M
VCC
R16
2K
C10
10UF/16V
R9
430K
R8
C2
203
R4
1 M
360k
CDS
OP1P
CDSO
RSTB
1M
R15
MODE
R3
D5
1N4007
COMPO
VEE
R2
22K
nature
SW2
VDD
R6
C11
0.68U/400V
MODE
56K
68/2W
PT8A2642/6/8
100UF/16V
R7
2.4M
C4
U1
D4
1N4148
D2
C12
C1
22UF/16V
D
S
G
24V
R12
1K
VCC
D7
203
D3
24V
R13
5.6V
AC110V~230V
SW1
ON/OFF OVERRIDE
live
D6
1N4007
R1
CDS
C5
C9
330UF/16V
470UF/35V
Note: 1.Adjust R13 to fit various CDS.
2.Change C6 to obtain the desired adjusting range of output duration.
3. RSTB pin need a capacitance 104 for PT8A2642 application
PT0192(08/0 5)
Ver:2
9
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mechanical Information
P/PE 16-Pin PDIP
16
7.62
8.25
.300
.325
6.09
7.11
.240
.280
1
.780
.800
0o
.008
.014
15o
19.82
20.32
0.20
0.35
.430
.210
Max
Max
10.92
5.33
SEATING
PLANE
X.XX
X.XX
0.381
.015
Min
DENOTES DIMENSIONS
IN MILLIMETERS
.115
.150
.100
typical
Note:
.356
.014
.022 .558
2.921
3.81
1) Controlling dimensions in inches.
2) Ref: JDDEC MS-001 AB
2.54
PT0192(08/0 5)
Ver:2
10
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
W/WE 16-Pin SOIC
16
x 45o
.0099
.0196 0.50
0.25
.149 3.78
.157 3.99
0-8o
.0075
.0098
0.19
0.25
1
0.41
1.27
.016
.050
.386
.393
9.80
.2284
10.00
5.80
6.20
1.35
1.75
.053
.068
.0155
.026
0.393
0.660
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
SEATING
PLANE
REF
Note:
1) Controlling dimensions in
millimeters.
2) Ref: JDDEC MS-012 AC
.0040
.0098
0.10
0.25
.050
BSC
1.27
.013
.020
0.330
0.508
PT0192(08/0 5)
Ver:2
11
Data Sheet
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
PTPericom Technology Inc.
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Notes
Pericom Technology Inc.
Email: support@pti.com.cn Web Site: www.pti.com.cn, www.pti-ic.com
China:
No. 20 Building, 3/F, 481 Guiping Road, Shanghai, 200233, China
Tel: (86)-21-6485 0576 Fax: (86)-21-6485 2181
Asia Pacific: Unit 1517, 15/F, Chevalier Commercial Centre, 8 Wang Hoi Rd, Kowloon Bay, Hongkong
Tel: (852)-2243 3660 Fax: (852)- 2243 3667
U.S.A.:
3545 North First Street, San Jose, California 95134, USA
Tel: (1)-408-435 0800 Fax: (1)-408-435 1100
Pericom Technology Incorporation reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design
or performance and to supply the best possible product. Pericom Technology does not assume any responsibility for use of any circuitry described other than
the circuitry embodied in Pericom Technology product. The company makes no representations that circuitry described herein is free from patent infringement
or other rights, of Pericom Technology Incorporation.
PT0192(08/0 5)
Ver:2
12
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