PI74FCT162646ATA Pericom Semiconductor, PI74FCT162646ATA Datasheet - Page 2

• Manufacturer Part Number: PI74FCT162646ATA
• Description: IC RGSTRD TXRX 16BIT 56TSSOP
• Manufacturer: Pericom Semiconductor
• Series: 74FCTr

Specifications of PI74FCT162646ATA

• Logic Type: Registered Transceiver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 8
• Current - Output High, Low: 24mA, 24mA
• 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 Configuration
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
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
Notes:
1.The data output functions may be enabled or disabled by various signals at the xOE or xDIR inputs.
Data input functions are always enabled, i.e., data at the bus pins will be stored on every low-to-high transition on the clock inputs.
2. Select control = L: clocks can occur simultaneously.
Select control = H: clocks must be staggered to load both registers.
H = High Voltage Level; L = Low Voltage Level; X = Don’t Care;
Isolation
Store A and B Data
Real Time B Data to A Bus
Stored B Data to A Bus
Real Time A Data to B Bus
Stored A Data to B Bus
Function/Operation
1
2
CLKAB
CLKAB
1
2
1
GND
GND
GND
GND
2
VCC
SAB
SAB
V
DIR
DIR
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
K56
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
xOE
H
H
L
L
L
L
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
OE
CLKBA
SBA
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
SBA
CLKBA
OE
CC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
X
DIR
X
X
H
L
H
L
X
CLKAB
H or L
H or L
X
X
X
2
Product Pin Description
Note: 1.For the PI74FCT162H646T, these pins have
“Bus Hold.” All other pins are standard, outputs, or I/Os.
Inputs
= LOW-to-HIGH transition
X
CLKBA
H or L
H or L
X
X
X
X
SAB
X
X
X
X
H
L
X
SBA
X
X
X
H
X
L
Output
Input
Input
X
A
DATA I/O
X
PS2039B
Output
Input
Input
X
B
(2)
X
02/24/99