PI74FCT273ATSE Pericom Semiconductor, PI74FCT273ATSE Datasheet
PI74FCT273ATSE
Manufacturer Part Number
PI74FCT273ATSE
Description
IC OCT D F/F W/RESET 20 SOIC
Manufacturer
Pericom Semiconductor
Series
74FCTr
Type
D-Type Busr
Datasheet
1.PI74FCT273T.pdf
(6 pages)
Specifications of PI74FCT273ATSE
Function
Master Reset
Output Type
Non-Inverted
Number Of Elements
1
Number Of Bits Per Element
8
Delay Time - Propagation
2ns
Trigger Type
Positive Edge
Current - Output High, Low
15mA, 64mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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
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
Features
• Pin compatible with bipolar FAST™ Series at a higher speed
• 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
• Packaging (Pb-free & Green available):
Block Diagram
Pin Configuration
and lower power consumption
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 300-mil wide plastic SOIC (S)
MR
GND
CP
MR
O
O
O
O
D
D
D
D
0
0
1
1
2
2
3
3
06-0218
1
2
3
4
5
6
7
8
9
10
D
0
20
19
18
17
16
15
14
13
12
11
D
CP
R
D
Vcc
O
D
D
O
O
D
D
O
CP
Q
7
6
5
4
7
6
5
4
O
0
D
1
D
CP
R
Pin Description
D
Q
Pin Name
MR
CP
D
O
GND
V
0
0
CC
O
-D
-O
1
7
7
D
2
D
CP
R
D
Q
Description
Master Reset (Active LOW)
Clock Pulse Input
(Active Rising Edge)
Data Inputs
Data Outputs
Ground
Power
O
2
D
3
D
CP
1
R
D
Description
Pericom Semiconductor’s PI74FCT273T is a 8-bit wide octal designed
with eight edge-triggered D-type flip-flops with individual D inputs
and O outputs. The common buffered Clock (CP) and Master Reset
(MR) load and resets (clear) all flip-flops simultaneously. The
register is fully edge-triggered. The D input state, one setup time
before the LOW-to-HIGH clock transition, is transferred to the
corresponding flip-flop's O output. All outputs will be forced LOW
independently of Clock or Data inputs by a LOW voltage level on
the MR input.
Device models available upon request.
Q
O
3
D
4
D
CP
R
D
Q
O
4
1. H = High Voltage Level
Truth Table
Fast CMOS Octal D Flip-Flop
Mode
Reset (Clear) L
Load "1"
Load "0"
D
5
h = High Voltage Level one setup time
L = Low Voltage Level
l = LOW Voltage Level one setup time
X = Don’t Care
↑ = LOW-to-HIGH Clock Transition
D
CP
R
prior to the LOW-to-HIGH Clock
transition
prior to the LOW-to-HIGH Clock
Transition
D
Q
O
5
D
MR
(1)
6
H
H
with Master Reset
D
CP
PI74FCT273T
R
Inputs
D
CP
Q
X
↑
↑
O
6
D
7
D
X
PS2013E
h
l
N
D
CP
R
Outputs
D
Q
O
H
L
L
O
03/21/07
N
7
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