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TC7WBD125AFK [TOSHIBA]

Dual Bus Switch with Level Shift; 双总线开关，电平转换
TC7WBD125AFK
型号： TC7WBD125AFK
厂家： TOSHIBA    TOSHIBA
描述：

Dual Bus Switch with Level Shift
双总线开关，电平转换

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：112K)
中文：  中文翻译
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TC7WBD125AFK  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC7WBD125AFK  
Dual Bus Switch with Level Shift  
The TC7WBD125AFK 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 low level, the switch is on; when  
at high level, the switch is off.  
The device is enable to realize the shift of signal level from 5 V  
to 3.3 V.  
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 = 0.32 ns (max)  
= 5 Ω (typ.)  
ON  
·
·
·
TTL level input (control input)  
Low Power Dissipation: Icc = 10 mA (max.)  
Package: US8  
Pin Assignment (top view)  
V
OE2 B1 A2  
CC  
8
7
6
5
W B A  
1 2 5  
1
2
3
4
A1 B2 GND  
OE1  
1
2002-10-18  
TC7WBD125AFK  
Truth Table  
Inputs  
OE  
L
Function  
A port = B port  
H
Disconnect  
System Diagram  
A1  
B1  
A2  
B2  
OE1  
OE2  
Maximum Ratings  
Characteristics  
Symbol  
Rating  
Unit  
Power supply voltage  
Control pin input voltage  
Switch terminal I/O voltage  
Clump diode current  
Switch I/O current  
V
-0.5~7.0  
-0.5~7.0  
-0.5~7.0  
-50  
V
V
CC  
V
IN  
V
V
S
I
mA  
mA  
mW  
mA  
°C  
IK  
I
128  
S
Power dissipation  
P
200  
D
DC V /GND current  
CC  
I
/I  
±100  
CC GND  
Storage temperature  
T
-65~150  
stg  
Recommended Operating Conditions  
Characteristics  
Power supply voltage  
Symbol  
Rating  
Unit  
V
4.5~5.5  
0~5.5  
V
V
CC  
Control pin input voltage  
Switch I/O voltage  
V
IN  
V
0~5.5  
V
S
Operating temperature  
Control pin input rise/fall time  
T
-40~85  
0~10  
°C  
ns/V  
opr  
dt/dv  
2
2002-10-18  
                                                         
                                                         
                                                            
                                                            
                                                          
                                                          
                                                            
                                                             
                                                                       
                                                                       
TC7WBD125AFK  
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
¾
¾
4.5~5.5  
4.5~5.5  
4.75  
2.0  
¾
¾
¾
0.8  
IH  
Input voltage  
“L” level  
V
¾
2.8  
3.0  
3.2  
¾
IL  
2.3  
2.5  
2.7  
¾
3.2  
High-level output voltage  
IOH=-1mA  
V
V
5.0  
3.4  
OH  
(Note 2)  
V
= V  
CC  
IS  
5.25  
3.6  
Input leakage current  
Power off leakage current  
Off-STATE leakage current  
(switch off)  
I
V
= 0~5.5 V  
4.5~5.5  
0
±1.0  
±1.0  
mA  
mA  
IN  
IN  
I
A, B, OE = 0~5.5 V  
¾
¾
OFF  
I
A, B = 0~5.5 V, OE = V  
4.5~5.5  
¾
¾
±1.0  
mA  
SZ  
CC  
4.5  
4.75  
4.5  
¾
¾
¾
¾
¾
¾
¾
¾
5
5
9
8
I
I
= 64 mA  
IS  
IS  
V
= 0 V  
IS  
IS  
ON resistance  
5
9
R
= 30 mA  
W
ON  
(Note 3)  
4.75  
4.5  
5
8
35  
35  
¾
¾
65  
50  
10  
2.5  
V
= 2.3 V, I = 15 mA  
IS  
4.75  
5.5  
Quiescent supply current  
Increase in I per input  
ICC  
DI  
VIN = VCC or GND,I  
= 0  
mA  
OUT  
V = 3.4 V (one input)  
IN  
5.5  
mA  
CC  
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  
pHL  
Figure 1, Figure 2  
(Note 4)  
4.5  
¾
t
pZL  
Output enable time  
Output disable time  
Figure 1, Figure 3  
Figure 1, Figure 3  
4.5  
4.5  
¾
¾
4.5  
5.0  
ns  
ns  
t
pZH  
t
pLZ  
t
pHZ  
Note 4: 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
CC  
(V)  
Control pin input capacitance  
Switch terminal capacitance  
C
(Note 5)  
(Note 5)  
5.0  
5.0  
3
pF  
pF  
IN  
C
I/O  
OE = V  
10  
CC  
Note 5: This parameter is guaranteed by design.  
3
2002-10-18  
TC7WBD125AFK  
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 W  
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
OH  
V
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
OL  
t
0.3 V  
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  
4
2002-10-18  
TC7WBD125AFK  
V
– V  
Characteristics (typ.)  
CC  
OH  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
Ta = 25°C  
Ta = 25°C  
0
-0.2  
-0.4  
-0.6  
-0.8  
-1.0  
1mA  
100 mA  
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  
(V)  
5.75  
2.0  
2.5  
3.0  
3.5  
4.0  
(V)  
5.0  
Power supply voltage  
V
High-level output voltage  
V
OH  
CC  
4.5  
Ta = 85°C  
Ta = 85°C  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
0
-0.2  
-0.4  
-0.6  
-0.8  
-1.0  
1mA  
100 mA  
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  
(V)  
5.75  
2.0  
2.5  
3.0  
3.5  
4.0  
(V)  
5.0  
Power supply voltage  
V
CC  
High-level output voltage  
V
OH  
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  
1mA  
100 mA  
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  
(V)  
5.75  
2.0  
2.5  
High-level output voltage  
3.0  
3.5  
4.0  
5.0  
Power supply voltage  
V
V
(V)  
CC  
OH  
Figure 4  
5
2002-10-18  
TC7WBD125AFK  
Package Dimensions  
Weight: 0.01 g (typ.)  
6
2002-10-18  
TC7WBD125AFK  
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
2002-10-18  

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