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參數(shù)資料
| 型號： | CY54FCT543T |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 8-Bit Latched Registered Transceiver |
| 中文描述： | 8位鎖存注冊收發(fā)器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 140K |
| 代理商： | CY54FCT543T |
CY54/74FCT543T
2
Maximum Ratings
[4, 5]
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................. –65
°
C to +150
°
C
Ambient Temperature with
Power Applied............................................ –65
°
C to +135
°
C
Supply Voltage to Ground Potential ...............–0.5V to +7.0V
DC Input Voltage ............................................–0.5V to +7.0V
DC Output Voltage .........................................–0.5V to +7.0V
DC Output Current (Maximum Sink Current/Pin) ...... 120 mA
Power Dissipation.......................................................... 0.5W
Static Discharge Voltage ...........................................>2001V
(per MIL-STD-883, Method 3015)
Notes:
1.
2.
3.
4.
5.
6.
H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care.
A-to-B data flow shown: B-to-A flow control is the same, except using CEBA, LEBA, and OEBA.
Before LEAB LOW-to-HIGH Transition.
Unless otherwise noted, these limits are over the operating free-air temperature range.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
T
A
is the “instant on” case temperature.
Pin Description
Name
OEAB
OEBA
CEAB
CEBA
LEAB
LEBA
A
B
Description
A-to-B Output Enable Input (Active LOW)
B-to-A Output Enable Input (Active LOW)
A-to-B Enable Input (Active LOW)
B-to-A Enable Input (Active LOW)
A-to-B Latch Enable Input (Active LOW)
B-to-A Latch Enable Input (Active LOW)
A-to-B Data Inputs or B-to-A Three-State Outputs
B-to-A Data Inputs or A-to-B Three-State Outputs
Function Table
[1, 2]
Inputs
LEAB
X
H
X
L
Latch
A-to-B
[3]
Storing
Storing
X
Transpar-
ent
Storing
Outputs
B
High Z
X
High Z
Current A Inputs
CEAB
H
X
X
L
OEAB
X
X
H
L
L
H
L
Previous A Inputs
Operating Range
Range
Commercial
Commercial
Military
[6]
Range
DT
T, AT, CT
All
Ambient
Temperature
0
°
C to +70
°
C
–40
°
C to +85
°
C
–55
°
C to +125
°
C
V
CC
5V
±
5%
5V
±
5%
5V
±
10%
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