PI74FCT821TP Pericom Semiconductor, PI74FCT821TP Datasheet
PI74FCT821TP
Manufacturer Part Number
PI74FCT821TP
Description
Fast CMOS bus interface register
Manufacturer
Pericom Semiconductor
Datasheet
1.PI74FCT821TP.pdf
(7 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PI74FCT821TP
Manufacturer:
PERICOM
Quantity:
6 250
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
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 Features:
• PI74FCT821T/823T/825T/2821T/2823T is pin compatible with
• 25 series resistor on all outputs (FCT2XXX only)
• TTL input and output levels
• Low ground bounce outputs
• Extremely low static power
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
• Device models available upon request
Logic Block Diagram
bipolar FAST™ Series at a higher speed and lower power
consumption
– 24-pin 300 mil wide plastic DIP (P)
– 24-pin 150 mil wide plastic QSOP (Q)
– 24-pin 150 mil wide plastic TQSOP (R)
– 24-pin 300 mil wide plastic SOIC (S)
CLR
OE
EN
CP
OE
OE
OE
PI74FCT825 Only
1
2
3
D
0
D
CP
CL
Q
Q
Y
0
D
1
D
CP
CL
Q
Q
Y
1
D
2
D
CP
CL
Q
Q
Y
2
D
3
D
CP
1
CL
Product Description:
Pericom Semiconductor’s PI74FCT series of logic circuits are
produced in the Company’s advanced 0.8 micron CMOS
technology, achieving industry leading speed grades. All
PI74FCT2XXX devices have a built-in 25-ohm series resistor on
all outputs to reduce noise because of reflections, thus eliminating
the need for an external terminating resistor.
The PI74FCT821T/2821T is a 10-bit wide register designed with
ten D-type flip-flops with a buffered common clock and buffered
3-state outputs. The PI74FCT823/2823T is a 9-bit wide register
designed with Clock Enable and Clear. The PI74FCT825T is an
8-bit wide register with all PI74FCT823T controls plus multiple
enables. When output enable (OE) is LOW, the outputs are enabled.
When OE is HIGH, the outputs are in the high impedance state.
Input data meeting the setup and hold time requirements of the D
inputs is transferred to the Y outputs on the LOW-to-HIGH transition
of the clock input.
Q
Q
Y
3
(25
D
4
D
CP
CL
Series) PI74FCT2821T/2823T
Q
Q
Y
4
D
(25 Series) P174FCT2821T/2823T
5
PI74FCT821T/823T/825T
BUS INTERFACE REGISTERS
D
CP
CL
Q
Q
Bus Interface Registers
Y
5
PI74FCT821T/823T/825T
D
N-1
D
CP
CL
Q
Q
Y
N-1
D
Fast CMOS
N
D
CP
PS2023A 03/11/96
CL
Q
Q
Y
N
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PI74FCT821TP Summary of contents
Page 1
... PI74FCT825 Only (25 Product Description: Pericom Semiconductor’s PI74FCT series of logic circuits are produced in the Company’s advanced 0.8 micron CMOS technology, achieving industry leading speed grades. All PI74FCT2XXX devices have a built-in 25-ohm series resistor on all outputs to reduce noise because of reflections, thus eliminating the need for an external terminating resistor ...
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Page 7
... 500 L ( 300 pF 1.5 23.0 1 500 1.5 7.0 1 500 300 pF (3) 1.5 8.0 1 500 L Pericom Semiconductor Corporation 7 PI74FCT821T/823T/825T (25 Series) P174FCT2821T/2823T BUS INTERFACE REGISTERS 825BT 825CT Com. Com. Max Min Max Unit 7.5 1.5 6.0 ns 15.0 1.5 12.5 ns 3.0 — 3.0 — ns 1.5 — 1.5 — ns 3.0 — 3.0 — — ...