Datasheet

CY74FCT16543T
CY74FCT162543T
CY74FCT162H543T
2
Maximum Ratings
[3, 4]
(Above which the useful life may be impaired. For user
guidelines, not tested.)
Storage Temperature .....................Com’l −55°C to +125°C
Ambient Temperature with
Power Applied.................................Com’l −55°C to +125°C
DC Input Voltage .................................................−0.5V to +7.0V
DC Output Voltage ..............................................−0.5V to +7.0V
DC Output Current
(Maximum Sink Current/Pin) ...........................−60 to +120 mA
Power Dissipation ..........................................................1.0W
Static Discharge Voltage............................................>2001V
(per MIL-STD-883, Method 3015)
Logic Block Diagrams Pin Configuration
1
OEAB
SSOP/TSSOP
Top View
GND
V
CC
FCT16543T-1
FCT16543T-2
TO 7 OTHER CHANNELS
D
C
1
B
1
1
OEBA
1
A
1
1
CEBA
1
LEAB
1
OEAB
1
LEBA
1
CEAB
D
C
D
C
2
B
1
2
OEBA
2
A
1
2
CEBA
2
OEAB
2
LEBA
2
CEAB
1
LEAB
1
CEAB
1
A
1
V
CC
GND
2
LEAB
1
A
2
1
A
3
1
A
5
1
A
4
1
A
6
1
A
7
1
A
8
GND
2
A
1
2
A
2
2
A
3
2
A
4
2
A
5
2
A
6
2
A
7
2
A
8
GND
2
OEAB
2
CEAB
2
LEAB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
OEBA
GND
V
CC
1
LEBA
1
CEBA
1
B
1
V
CC
GND
1
B
2
1
B
3
1
B
5
1
B
4
1
B
6
1
B
7
1
B
8
GND
2
B
1
2
B
2
2
B
3
2
B
4
2
B
6
2
B
7
2
B
8
GND
2
OEBA
2
CEBA
2
LEBA
2
B
5
D
C
FCT16543T-3
TO 7 OTHER CHANNELS
Pin Description
Name Description
OEAB A-to-B Output Enable Input (Active LOW)
OEBA B-to-A Output Enable Input (Active LOW)
CEAB A-to-B Enable Input (Active LOW)
CEBA B-to-A Enable Input (Active LOW)
LEAB A-to-B Latch Enable Input (Active LOW)
LEBA B-to-A Latch Enable Input (Active LOW)
A A-to-B Data Inputs or B-to-A Three-State Outputs
[9]
B B-to-A Data Inputs or A-to-B Three-State Outputs
[9]
Function Table
[1]
Inputs
Latch
Status
Output
Buffers
CEAB LEAB OEAB A to B B
H X X Storing High Z
X H X Storing X
X X H X High Z
L L L Transparent Current A
Inputs
L H L Storing Previous A
Inputs
[2]
Operating Range
Range
Ambient
Temperature V
CC
Industrial −40°C to +85°C 5V ± 10%