PI74FCT16543ATV Pericom Semiconductor, PI74FCT16543ATV Datasheet - Page 2

• Manufacturer Part Number: PI74FCT16543ATV
• Description: IC 16-BIT LATCHED TXRX 56 SSOP
• Manufacturer: Pericom Semiconductor
• Series: 74FCTr

Specifications of PI74FCT16543ATV

• Logic Type: Transceiver, Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 8
• Current - Output High, Low: 32mA, 64mA
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Product Pin Description
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Note: 1. For the PI74FCT162H543T, these pins have “Bus
Product Pin Configuration
Pin Name
xOEAB
xOEBA
xCEAB
xCEBA
xLEAB
xLEBA
xAx
xBx
GND
V
CC
Hold.” All other pins are standard, outputs, or I/Os.
1
2
1
2
1
2
OEAB
CEAB
CEAB
OEAB
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 3-State Outputs
B-to-A Data Inputs or B-to-A 3-State Outputs
Ground
Power
LEAB
LEAB
GND
GND
GND
GND
VCC
V
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
CC
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
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-PIN
V56
A56
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
1
1
GND
1
1
VCC
1
1
1
GND
1
1
1
2
2
2
GND
2
2
2
V
2
2
GND
2
2
2
OEBA
LEBA
CEBA
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
CEBA
LEBA
OEBA
CC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
(1)
(1)
2
Notes:
1. *Before xLEAB LOW-to-HIGH Transistion
2. A-to-B data flow shown. B-to-A flow control is the same,
Truth Table
X
CEAB
H = High Voltage Level
L = Low Voltage Level
X = Don’t Care or Irrelevant
Z = High Impedance
except using xCEBA, xLEBA, and xOEBA.
H
X
X
L
L
X
Inputs
LEAB
X
H
X
H
(1)
L
16-BIT LATCHED TRANSCEIVERS
PI74FCT16543/162543/162H543T
X
OEAB
X
X
H
L
L
X
Transparent
A
Storing
Storing
Storing
X TO X
Status
Latch
X
B
X
Previous* A Inputs
Current A Inputs
PS2038B
Output
Buffers
High Z
High Z
X
B
X
X
01/10/01