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PI74FCT377T Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part No. PI74FCT377T
Description  FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE
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Maker  PERICOM [Pericom Semiconductor Corporation]
Homepage  http://www.pericom.com
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PI74FCT377T Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

   
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PI74FCT377T
OCTAL D FLIP-FLOP with CLOCK ENABLE
1
PS2017A 03/11/96
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Fast CMOS Octal D Flip-Flop
with Clock Enable
Product Description:
Pericom Semiconductor’s PI74FCT series of logic circuits are pro-
duced in the Company’s advanced 0.6/0.8 micron CMOS technology,
achieving industry leading speed grades.
The PI74FCT377T is an 8-bit wide octal designed with eight edge-
triggered D-type flip-flops with individual D inputs and O outputs.
When Clock Enable (CE) is LOW, the common buffered Clock
(CP) loads all flip-flops simultaneously. The register is fully edge-
triggered. D input state, one setup time before the LOW-to-HIGH
clock transition, is transferred to the corresponding flip-flop’s O
output. The CE input must be stable only one setup time prior to
the LOW-to-HIGH transition for predictable operation.
Product Features:
• The PI74FCT377T is pin compatible with bipolar FAST™
Series at a higher speed and lower power
consumption
• TTL input and output levels
• Octal D flip-flops with Clock Enable
• Extremely low static power
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
– 20-pin 173 mil wide plastic TSSOP (L)
– 20-pin 300 mil wide plastic DIP (P)
– 20-pin 150 mil wide plastic QSOP (Q)
– 20-pin 150 mil wide plastic TQSOP (R)
– 20-pin 300 mil wide plastic SOIC (S)
Logic Block Diagram
Inputs
Outputs
Mode
CP
CE
DN
ON
Load "1"
lh
H
Load "0"
ll
L
Hold
hX
NC
(Do Nothing)
HHX
NC
Truth Table
(1)
1. H = HIGH Voltage Level
h =
HIGH Voltage Level one setup time
prior to the LOW-to-HIGH Clock
Transition
L =
LOW Voltage Level
l =
LOW Voltage Level one setup time
prior to the LOW-to-HIGH Clock
Transition
X = Don't Care
NC = No Change
↑ = LOW-to-HIGH Clock Transition
Pin Name
Description
CE
Clock Enable (Active LOW)
CP
Clock Pulse Input
D0-D7
Data Inputs
O0-O7
Data Outputs
GND
Ground
VCC
Power
Product Pin Description
Product Pin Configuration
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PI74FCT377T
D0
O0
CE
CP
D
Q
CP
D1
O1
D
Q
CP
D2
O2
D
Q
CP
D3
O3
D
Q
CP
D4
O4
D
Q
CP
D5
O5
D
Q
CP
D6
O6
D
Q
CP
D7
O7
D
Q
CP
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CE
O0
D0
D1
O1
O2
D2
D3
O3
GND
Vcc
O7
D7
D6
O6
O5
D5
D4
O4
CP
20-PIN
L20
P20
Q20
R20
S20


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