PI74FCT2821T Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74FCT2821T Datasheet PDF : 7 Pages
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PI74FCT821T/823T/825T
(25Ω Series) P174FCT2821T/2823T
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PI74FCT821/2821T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
821AT/2821AT 821BT/2821BT 821CT/2821CT
Com.
Com.
Com.
Min
Max
Min
Max
Min
Max
Unit
tPLH
Propagation Delay
tPHL
CP to YN
(OE = LOW)
tSU
Setup Time HIGH or
LOW, DN to CP
tH
Hold Time HIGH or
LOW, DN to CP
tSU
Setup Time HIGH or
LOW, EN to CP
tH
Hold Time HIGH or
LOW, EN to CP
tPHL
Propagation Delay,
CLR to YN
tREM
Recovery Time,(3)
CLR to CP
tW
Clock Pulse Width(3)
HIGH or LOW
tW
CLR Pulse Width(3)
LOW
tPZH
Output Enable Time
tPZL
OE to YN
tPHZ
Output Disable Time(3)
tPLZ
OE to YN
CL = 50 pF
RL = 500Ω
CL = 300 pF(3)
RL = 500Ω
CL = 50 pF
RL = 500Ω
CL = 50 pF
RL = 500Ω
CL = 300 pF(3)
RL = 500Ω
CL = 50 pF
RL = 500Ω
CL = 300 pF(3)
RL = 500Ω
1.5
10.0
1.5
7.5
1.5
6.0
ns
1.5
20.0
1.5
15.0
1.5
12.5
ns
4.0
—
3.0
—
3.0
—
ns
2.0
—
1.5
—
1.5
—
ns
4.0
—
3.0
—
3.0
—
ns
2.0
—
0
—
0
—
ns
1.5
14.0
1.5
9.0
1.5
8.0
ns
6.0
—
6.0
—
6.0
—
ns
7.0
—
5.0
—
6.0
—
ns
6.0
—
6.0
—
6.0
—
ns
1.5
11.5
1.5
8.0
1.5
7.0
ns
1.5
23.0
1.5
15.0
1.5
12.5
ns
1.5
7.0
1.5
6.5
1.5
6.2
ns
1.5
8.0
1.5
7.5
1.5
6.5
ns
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
5
PS2023A 03/11/96
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