PI74FCT162500ATA Pericom Semiconductor, PI74FCT162500ATA Datasheet - Page 2

• Manufacturer Part Number: PI74FCT162500ATA
• Description: IC RGSTRD TXRX 18BIT 56TSSOP
• Manufacturer: Pericom Semiconductor
• Series: 74FCTr

Specifications of PI74FCT162500ATA

• Logic Type: Registered Transceiver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 9
• Current - Output High, Low: 32mA, 64mA
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• 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
Product Pin Configuration
Pin Name
OEAB
OEBA
LEAB
LEBA
CLKAB
CLKBA
Ax
Bx
GND
V
CC
OEAB
OEBA
LEAB
LEBA
Description
A-to-B Output Enable Input
B-to-A Output Enable Input (Active LOW)
A-to-B Latch Enable Input
B-to-A Latch Enable Input
A-to-B Clock Input (Active LOW)
B-to-A Clock Input (Active LOW)
A-to-B Data Inputs or B-to-A 3-State Outputs
B-to-A Data Inputs or A-to-B 3-State Outputs
Ground
Power
GND
GND
GND
GND
VCC
V
A
A
A
A
A
A
A
A
CC
A
A
A
A
A
A
A
A
A
A
10
11
12
13
14
15
16
17
0
1
2
3
4
5
6
7
8
9
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
GND
CLKAB
B
GND
B
B
VCC
B
B
B
GND
B
B
B
B
B
B
GND
B
B
B
V
B
B
GND
B
CLKBA
GND
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CC
15
16
17
2
Truth Table
NOTES:
1. A-toB data flow is shown. B-to-A data flow is similar but
2. Output level before the indicated steady-state input condi-
3. Output level before the indicated steady-state input condi-
4. H = High Voltage Level
OEAB
uses OEBA, LEBA, and CLKBA.
tions were established.
tions were established, provided that CLKAB was LOW
before LEAB went LOW.
L = Low Voltage Level
Z = High Impedance
L
H
H
H
H
H
H
= HIGH-to-LOW Transition
18-BIT REGISTERED TRANSCEIVERS
LEAB
(1,4)
X
H
H
L
L
L
L
Inputs
CLKAB
X
X
X
H
L
PI74FCT16500/162500T
Ax
X
H
H
X
X
L
L
PS2077A 01/15/95
Outputs
B
B
Bx
Z
L
H
L
H
(2)
(3)