PI74FCT16823TA Ver la hoja de datos (PDF) - Pericom Semiconductor
Número de pieza
componentes Descripción
Lista de partido
PI74FCT16823TA Datasheet PDF : 8 Pages
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PI74FCT16823T/162823/162H823T
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Product Pin Configuration
1CLR
1OE
1Q1
GND
1Q2
1Q3
VCC
1Q4
1Q5
1Q6
GND
1Q7
1Q8
1Q9
2Q1
2Q2
2Q3
GND
2Q4
2Q5
2Q6
VCC
2Q7
2Q8
GND
2Q9
2OE
2CLR
1
56
2
55
3
54
4
53
5
52
6
51
7
50
8
49
9
48
10
47
11
46
12 56-PIN 45
13 V56 44
A56
14
43
15
42
16
41
17
40
18
39
19
38
20
37
21
36
22
35
23
34
24
33
25
32
26
31
27
30
28
29
1CLK
1CLKEN
1D1
GND
1D2
1D3
VCC
1D4
1D5
1D6
GND
1D7
1D8
1D9
2D1
2D2
2D3
GND
2D4
2D5
2D6
VCC
2D7
2D8
GND
2D9
2CLKEN
2CLK
Product Pin Description
Pin Name
Description
xDx
Data Inputs(1)
xCLK
Clock Inputs
xCLKEN
Clock Enable Inputs (Active LOW)
xCLR
Asynchronous Clear Inputs (Active LOW)
xOE
Output Enable Inputs (Active LOW)
xQx
3-State Outputs
Note: 1. For the PI74FCT162H823T, these pins have “Bus
Hold.” All other pins are standard, outputs, or I/Os.
PI74FCT16823 Truth Table(1)
Function xOE
High-Z H
Clear
L
Hold
L
Load
H
H
L
L
Inputs
xCLR xCLKEN xCLK
X
X
X
L
X
X
H
H
X
H
L
↑
H
L
↑
H
L
↑
H
L
↑
Outputs
xDx xQx
X
Z
X
L
X
Q(2)
L
Z
H
Z
L
L
HH
1. H = High Voltage Level
L = Low Voltage Level
X = Don’t Care
Z = High Impedance
NC = No Change
↑ = LOW-to-HIGH Transition
2. Output level before indicated steady-state
input conditions were established.
2
PS2040A 03/11/96
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