TC7MBD3245FK(EL) [TOSHIBA]
IC,BUS SWITCH,CMOS,TSSOP,20PIN,PLASTIC;
| 型号： | TC7MBD3245FK(EL) |
| 厂家： | 
TOSHIBA |
| 描述： | IC,BUS SWITCH,CMOS,TSSOP,20PIN,PLASTIC 总线驱动器 总线收发器 开关 逻辑集成电路 光电二极管 |
| 文件： | 总7页 (文件大小：179K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC7MBD3245AFK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MBD3245AFK
Octal Bus Switch
The TC7MBD3245AFK provides eight bits of high-speed
TTL-compatible bus switching in a standard ’245 device pinout.
The low on-state resistance of the switch allows connections to be
made with minimal propagation delay.
The device is organized as one 8-bit switch. When output
enable (OE) is low, the switch is on and port A is connected to
port B. When OE is high, the switch is open and a
high-impedance state exists between the two ports.
The device is enable to realize the shift of signal level from 5 V
to 3.3 V.
All inputs are equipped with protection circuits against static
discharge.
Weight: 0.03 g (typ.)
Features
Pin Assignment (top view)
•
•
•
•
Operating voltage: V
= 4.5~5.5 V
CC
High speed: t = 0.32 ns (max)
pd
1
2
3
4
5
6
7
8
9
20
V
CC
NC
A1
A2
A3
Low on resistance: R
= 5 Ω (typ.)
ON
19 OE
ESD performance:Machine model ≥ ±200 V
Human body model ≥ ±2000 V
18
17
B1
B2
•
•
•
•
•
Compatible with TTL outputs (control inputs)
Low Power Dissipation: Icc = 10 μA (max.)
Package: VSSOP (US20)
16 B3
A4
A5
A6
A7
A8
Pin compatible with the 74xx245 type.
Functionally equivalent to (FST/CBT) 3245.
15
14
13
12
11
B4
B5
B6
B7
B8
GND 10
(top view)
NC-No Internal Connection
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TC7MBD3245AFK
Truth Table
Inputs
OE
L
Function
A port = B port
H
Disconnect
System Diagram
A1
B1
B8
A8
OE
Absolute Maximum Ratings (Note)
Characteristics
Power supply range
Symbol
Rating
Unit
V
−0.5~7.0
−0.5~7.0
−0.5~7.0
−50
V
V
CC
DC input voltage
V
IN
DC switch voltage
Input diode current
Continuous channel circuit
Power dissipation
V
V
S
I
mA
mA
mW
mA
°C
IK
I
128
S
P
180
D
DC V /ground current
CC
I
/I
±100
CC GND
Storage temperature
T
stg
−65~150
Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even
destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even
if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum
ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Operating Ranges (Note)
Characteristics
Supply voltage
Symbol
Rating
Unit
V
4.5~5.5
0~5.5
V
V
CC
Input voltage
V
IN
Switch voltage
V
0~5.5
V
S
Operating temperature
Input rise and fall time
T
−40~85
0~10
°C
ns/V
opr
dt/dv
Note: The operating ranges must be maintained to ensure the normal operation of the device.
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TC7MBD3245AFK
Electrical Characteristics
DC Characteristics (Ta = −40~85°C)
Typ.
(Note 1)
Characteristics
Symbol
Test Condition
Min
Max
Unit
V
V
(V)
CC
“H” level
V
IH
⎯
⎯
4.5~5.5
4.5~5.5
4.75
2.0
⎯
⎯
⎯
0.8
Input voltage
“L” level
V
IL
⎯
2.8
3.0
3.2
⎯
2.3
2.5
2.7
⎯
3.2
High-level output voltage
IOH = −1 μA
V
OH
V
5.0
3.4
(Note 2)
V
IS
= V
CC
5.25
3.6
Input leakage current
Power off leakage current
Off-STATE leakage current
(switch off)
I
V
IN
= 0~5.5 V
4.5~5.5
0
±1.0
±1.0
μA
μA
IN
I
A, B, OE = 0~5.5 V
⎯
⎯
OFF
I
A, B = 0~5.5 V, OE = V
4.5~5.5
⎯
⎯
±1.0
μA
SZ
CC
4.5
4.75
4.5
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
5
5
9
8
I
= 64 mA
IS
IS
V
V
= 0 V
IS
5
9
ON resistance
(Note 3)
R
I
= 30 mA
Ω
ON
4.75
4.5
5
8
35
35
⎯
⎯
65
50
10
2.5
= 2.3 V, I = 15 mA
IS
IS
4.75
5.5
Quiescent supply current
ICC
VIN = VCC or GND,I
= 0
μA
OUT
Increase in I
per input
ΔI
CC
V
IN
= 3.4 V (one input)
5.5
mA
CC
Note 1: Typical values are at VCC = 5 V, Ta = 25°C.
Note 2: It recommends that this device uses Pull-up resistance when adding and using resistance for
an output terminal. Since it couses to drop a VOH voltage level when using Pull-down resistance
for an output terminal.
Note 3: Measured by the voltage drop between A and B pins at the indicated current through the switch. On
resistance is determined by the lower of the voltages on the two (A or B) pins.
AC Characteristics (Ta = −40~85°C)
Characteristics
Symbol
Test Condition
Min
Max
0.32
Unit
ns
V
(V)
CC
Propagation delay time
(bus to bus)
t
t
pLH
Figure 1, Figure 2
(Note)
4.5
⎯
pHL
t
pZL
Output enable time
Output disable time
Figure 1, Figure 3
Figure 1, Figure 3
4.5
4.5
⎯
⎯
7.0
7.0
ns
ns
t
pZH
t
pLZ
t
pHZ
Note: The propagation delay time is calculated by the RC (on-resistance and load capacitance) time constant.
Capacitive Characteristics (Ta = 25°C)
Characteristics
Symbol
Test Condition
Typ.
Unit
V
(V)
CC
5.0
5.0
Control pin input capacitance
Switch terminal capacitance
C
IN
(Note)
(Note)
3
pF
pF
C
I/O
OE = V
CC
10
Note: This parameter is guaranteed by design.
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TC7MBD3245AFK
AC Test Circuit
Open
7.0 V
GND
Switch
Parameter
Switch
t
, t
Open
7.0 V
GND
pLH pHL
Measure
Output
t
, t
pLZ pZL
t
, t
C
R
= 50 pF
= 500 Ω
pHZ pZH
L
L
Figure 1
AC Waveform
t 2.5 ns
r
t 2.5 ns
f
3.0 V
90%
1.5 V
Input
(A, B)
10%
GND
V
OH
OL
Output
(B, A)
1.5 V
V
t
t
pLH
pHL
Figure 2 t
, t
pLH pHL
t 2.5 ns
r
t 2.5 ns
f
3.0 V
GND
3.5 V
90%
1.5 V
Output Enable
( OE )
10%
t
t
t
pLZ
pZL
Output (A, B)
Low to Off to Low
1.5 V
1.5 V
V
+
OL
0.3 V
V
OL
t
pHZ
pZH
V
OH
V
− 0.3 V
OH
Output (A, B)
High to Off to High
GND
Outputs
enabled
Outputs
disabled
Outputs
enabled
Figure 3 t
, t
, t
, t
pLZ pHZ pZL pZH
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TC7MBD3245AFK
V
OH
– V Characteristics (typ.)
CC
4.5
Ta = 25°C
Ta = 25°C
4.0
0
-0.2
-0.4
-0.6
-0.8
-1.0
3.5
1μA
100 μA
3.0
2.5
2.0
1.5
6 mA
12 mA
24 mA
VCC=4.5V
VCC=4.75V
VCC=5.0V
VCC=5.25V
VCC=5.5V
4.50
4.75
5.00
5.25
5.50
5.75
2.0
2.5
3.0
3.5
4.0
5.0
Power supply voltage
V
(V)
High-level output voltage
V
OH
(V)
CC
4.5
4.0
3.5
3.0
2.5
2.0
1.5
Ta = 85°C
Ta = 85°C
0
-0.2
-0.4
-0.6
-0.8
-1.0
1μA
100 μA
6 mA
12 mA
24 mA
VCC=4.5V
VCC=4.75V
VCC=5.0V
VCC=5.25V
VCC=5.5V
4.50
4.75
5.00
5.25
5.50
5.75
2.0
2.5
3.0
3.5
4.0
5.0
Power supply voltage
V
(V)
CC
High-level output voltage
V
OH
(V)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
Ta = -40°C
Ta = -40°C
0
-0.2
-0.4
-0.6
-0.8
-1.0
1μA
100 μA
6 mA
12 mA
24 mA
VCC=4.5V
VCC=4.75V
VCC=5.0V
VCC=5.25V
VCC=5.5V
4.50
4.75
5.00
5.25
5.50
5.75
2.0
2.5
3.0
3.5
4.0
5.0
Power supply voltage
V
(V)
High-level output voltage
V
OH
(V)
CC
Figure 4
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TC7MBD3245AFK
Package Dimensions
Weight: 0.03 g (typ.)
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TC7MBD3245AFK
RESTRICTIONS ON PRODUCT USE
20070701-EN GENERAL
• The information contained herein is subject to change without notice.
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc.
• The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his
document shall be made at the customer’s own risk.
• The products described in this document shall not be used or embedded to any downstream products of which
manufacture, use and/or sale are prohibited under any applicable laws and regulations.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patents or other rights of
TOSHIBA or the third parties.
• Please contact your sales representative for product-by-product details in this document regarding RoHS
compatibility. Please use these products in this document in compliance with all applicable laws and regulations
that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses
occurring as a result of noncompliance with applicable laws and regulations.
7
2007-10-19
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