PI74FCT2646T 查看數據表（PDF） - Pericom Semiconductor
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PI74FCT2646T Datasheet PDF : 7 Pages
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PI74FCT646/648/651/652T
(25Ω Series) P174FCT2646T/2652T
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PI74FCT651T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
651T
Com.
Min
Max
651AT
Com.
Min
Max
tPLH
Propagation Delay
CL = 50 pF
tPHL
Bus to Bus
RL = 500Ω
tPZH
Output Enable Time
tPZL
GBA, GAB to Bus
tPHZ
Output Disable Time(3)
tPLZ
GBA, GAB to Bus
tPLH
Propagation Delay
tPHL
Clock to Bus
tPLH
Propagation Delay
tPHL
SBA or SAB to Bus
tSU
Setup Time HIGH or
LOW, BUS to Clock
tH
Hold Time HIGH or
LOW, Bus to Clock
tW
Clock Pulse Width(3)
HIGH or LOW
2.0
9.0
2.0
6.3
2.0
12.5
2.0
9.8
2.0
9.0
2.0
6.3
2.0
9.0
2.0
6.3
2.0
9.5
2.0
7.7
4.0
—
2.0
—
2.0
—
1.5
—
6.0
—
5.0
—
651CT
Com.
Min
Max
1.5
5.4
1.5
7.8
1.5
6.3
1.5
5.7
1.5
6.2
2.0
—
1.5
—
5.0
—
651DT
Com.
Min
Max Unit
1.5
4.8 ns
1.5
7.3 ns
1.5
6.0 ns
1.5
5.2 ns
1.5
5.8 ns
2.0
— ns
1.5
— ns
5.0
— ns
PI74FCT652/2652T Switching Characteristics over Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPLH
tPHL
tSU
tH
tW
Description
Propagation Delay
Bus to Bus
Output Enable Time
GBA, GAB to Bus
Output Disable Time(3)
GBA, GAB to Bus
Propagation Delay
Clock to Bus
Propagation Delay
SBA or SAB to Bus
Setup Time HIGH or
LOW, BUS to Clock
Hold Time HIGH or
LOW, Bus to Clock
Clock Pulse Width(3)
HIGH or LOW
Conditions(1)
CL = 50 pF
RL = 500Ω
652T/2652T
Com.
Min
Max
2.0
9.0
2.0
12.5
2.0
9.0
2.0
9.0
2.0
9.5
4.0
—
2.0
—
6.0
—
652AT/2652AT
Com.
Min
Max
2.0
6.3
2.0
9.8
2.0
6.3
2.0
6.3
2.0
7.7
2.0
—
1.5
—
5.0
—
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.
652CT
Com.
Min
Max
1.5
5.4
1.5
7.8
1.5
6.3
1.5
5.7
1.5
6.2
2.0
—
1.5
—
5.0
—
652DT
Com.
Min
Max Unit
1.5
4.8 ns
1.5
7.3 ns
1.5
6.0 ns
1.5
5.2 ns
1.5
5.8 ns
2.0
— ns
1.5
— ns
5.0
— ns
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
7
PS2022A 03/11/96
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