TC7WBD126FK [TOSHIBA]
Dual Bus Switch with Level Shift; 双总线开关，电平转换
| 型号： | TC7WBD126FK |
| 厂家： | 
TOSHIBA |
| 描述： | Dual Bus Switch with Level Shift |
| 文件： | 总7页 (文件大小：126K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC7WBD126FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7WBD126FK
Dual Bus Switch with Level Shift
The TC7WBD126FK is a low on-resistance, high-speed CMOS
2-bit bus switch. This bus switch allows the connections or
disconnections to be made with minimal propagation delay while
maintaining Low power dissipation which is the feature of
CMOS.
When output enable (OE) is at High level, the switch is on;
when at Low level, the switch is off.
The internal diode which adds to power supply line is enable to
realize the shift of signal level from 5 V to 3.3 V. (Note 1)
All inputs are equipped with protector circuits to protect the
device from static discharge.
Weight: 0.01 g (typ.)
Features
•
•
•
•
Operating voltage: V
pd
Ultra-low on resistance: R
Electro-static discharge (ESD) performance: ±200 V or more (JEITA)
±2000 V or more (MIL)
= 4.5~5.5 V
CC
High speed operation: t = 0.25 ns (max)
= 5 Ω (typ.)
ON
•
•
TTL level input (control input)
Package: US8
Note 1: In case that over-shoot noise is detected, this device should be used with clamp diode to prevent the next
stage device from over-stress.
Pin Assignment (top view)
V
OE2 B1 A2
CC
8
7
6
5
W B D
1 2 6
1
2
3
4
OE1 A1 B2 GND
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TC7WBD126FK
Truth Table
Inputs
OE
L
Function
Disconnect
H
A port = B port
System Diagram
A1
B1
A2
B2
OE1
OE2
Maximum Ratings
Characteristics
Symbol
Rating
Unit
Power supply range
DC input voltage
V
−0.5~7.0
−0.5~7.0
−0.5~7.0
−50
V
V
CC
V
IN
DC switch voltage
Input diode current
Continuous channel current
Power dissipation
V
V
S
I
mA
mA
mW
mA
°C
IK
I
128
S
P
200
D
DC V /GND current
CC
I
/I
±100
CC GND
Storage temperature
T
−65~150
stg
Recommended Operating Conditions
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
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TC7WBD126FK
Electrical Characteristics
DC Characteristics (Ta = −40~85°C)
Typ.
(Note 2)
Characteristics
Symbol
Test Condition
Min
Max
Unit
V
V
(V)
CC
“H” level
“L” level
V
4.5~5.5
4.5~5.5
2.0
0.8
IH
Input voltage
V
IL
High-level output voltage
Input leakage current
Power off leakage current
Off-state leakage current
(switch off)
V
Figure 4
= 0~5.5 V
µA
µA
OH
IN
I
V
4.5~5.5
0
±1.0
±1.0
IN
I
A, B, OE = 0~5.5 V
OFF
I
A, B = 0~5.5 V, OE = GND
4.5~5.5
±1.0
µA
SZ
I
I
= 30 mA
= 64 mA
4.5
4.5
4.5
5.5
5.5
5.5
5
7
IS
IS
V
= 0 V
ON resistance
IS
R
Ω
5
7
ON
(Note 3)
V
V
= 2.4 V, I = 15 mA
35
50
1.5
10
2.5
IS
IN
IS
Switch ON
mA
µA
= V
or GND
CC
I
CC
I
= 0
OUT
Quiescent supply current
Switch OFF
∆I
V
= 3.4 V (one input)
IN
(Note 4)
mA
CC
Note 2: Typical values are at V
= 5 V and Ta = 25°C.
CC
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.
Note 4: Quiescent supply current at V
CC
= 3.4 V will be sum of I
and ∆I
.
CC
CC
AC Characteristics (Ta = −40~85°C)
Characteristics
Symbol
Test Condition
Min
Max
0.25
Unit
ns
V
(V)
CC
Propagation delay time
(bus to bus)
t
t
pLH
pHL
Figure 1, Figure 2
(Note 5)
4.5
t
pZL
Output enable time
Output disable time
Figure 1, Figure 3
Figure 1, Figure 3
4.5
4.5
4.5
5.5
ns
ns
t
t
pZH
t
pLZ
pHZ
Note 5: 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
Control pin input capacitance
Switch terminal capacitance
C
(Note 6)
(Note 6)
5.0
5.0
3
pF
pF
IN
C
I/O
OE = GND
10
Note 6: This parameter is guaranteed by design.
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2001-12-04
TC7WBD126FK
AC Test Circuit
Open
7.0 V
GND
Switch
Parameter
, t
Switch
t
Open
7.0 V
Open
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
GND
90%
1.5 V
Input
(A, B)
10%
V
V
OH
OL
Output
(B, A)
1.5 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
V
V
OL
t
0.3 V
pHZ
pZH
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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2001-12-04
TC7WBD126FK
V
– V
Characteristics (typ.)
CC
OH
4.5
4.0
3.5
3.0
2.5
2.0
1.5
4.5
4.0
3.5
3.0
2.5
2.0
1.5
Ta = 85°C
Ta = 25°C
100 µA
100 µA
6 mA
12 mA
6 mA
12 mA
24 mA
24 mA
4.50
4.75
5.00
5.25
5.50
(V)
5.75
4.50
4.75
5.00
5.25
5.50
(V)
5.75
Power supply voltage
V
Power supply voltage
V
CC
CC
4.5
Ta = 0°C
4.0
3.5
3.0
2.5
2.0
1.5
100 µA
6 mA
12 mA
24 mA
4.50
4.75
5.00
5.25
5.50
(V)
5.75
Power supply voltage
V
CC
Figure 4
5
2001-12-04
TC7WBD126FK
Package Dimensions
Weight: 0.01 g (typ.)
6
2001-12-04
TC7WBD126FK
RESTRICTIONS ON PRODUCT USE
000707EBA
• 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 this
document shall be made at the customer’s own risk.
• The products described in this document are subject to the foreign exchange and foreign trade laws.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
• The information contained herein is subject to change without notice.
7
2001-12-04
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