PI74FCT821ATS Pericom Semiconductor, PI74FCT821ATS Datasheet - Page 2

• Manufacturer Part Number: PI74FCT821ATS
• Description: IC 10-BIT REG 3-STATE 24 SOIC
• Manufacturer: Pericom Semiconductor
• Series: 74FCTr
• Type: D-Type Busr

Specifications of PI74FCT821ATS

• Function: Master Reset
• Output Type: Tri-State Non Inverted
• Number Of Elements: 1
• Number Of Bits Per Element: 10
• Delay Time - Propagation: 1.5ns
• Trigger Type: Positive Edge
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output High, Low: -
• Frequency - Clock: -

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
PI74FCT821/2821T Product Pin Configuration
PI74FCT823/2823T Product Pin Configuration
PI74FCT825T Product Pin Configuration
GND
GND
GND
CLR
CLR
OE
OE
OE
OE
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
1
2
0
1
2
3
4
5
6
7
1
0
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
24-PIN
24-PIN
24-PIN
Q24
Q24
P24
R24
Q24
P24
R24
S24
P24
R24
S24
S24
24
23
22
21
20
19
18
17
16
15
14
13
24
23
22
21
20
19
18
17
16
15
14
13
24
23
22
21
20
19
18
17
16
15
14
13
Vcc
OE
Y
Y
Y
Y
Y
Y
Y
Y
EN
CP
Vcc
Y
Y
Y
Y
Y
Y
Y
Y
Y
EN
CP
Vcc
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
CP
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
9
3
2
Product Pin Description
Pin Name
OE
CP
D
Y
CLR
EN
GND
V
PI74FCT821/823/825/2821/2823T Truth Table
1. H = High Voltage Level
Function CLR EN OE CP
High-Z
Clear
Hold
Load
N
N
CC
L = Low Voltage Level
X = Don't Care
Z = High Impedance
NC = No Change
= LOW-to-HIGH transition
H
H
H
H
H
H
H
H
L
L
(25 Series) P174FCT2821T/2823T
Description
Output Enable Input (Active LOW)
Clock Pulse for the register. Enters data on
LOW-to-HIGH transition
Data Inputs
3-State Outputs
Clear Input (Active LOW)
(823/825/2823 Only)
Clock Enable Input (Active LOW)
Ground
Power
BUS INTERFACE REGISTERS
X
X
H
H
L
L
L
L
L
L
Inputs
H
H
H
H
H
H
L
L
L
L
PI74FCT821T/823T/825T
X
X
X
X
D
H
X
X
X
X
H
H
L
L
L
N
Outputs Internal
NC
Y
H
Z
Z
Z
L
Z
Z
Z
L
N
PS2023A 03/11/96
NC
NC
Q
H
H
H
L
L
L
L
L
N
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