參數(shù)資料
型號(hào): IDT74FCT821BDSOB
廠商: Integrated Device Technology, Inc.
英文描述: HIGH PERFORMANCE CMOS BUS INTERFACE REGISTER
中文描述: 高性能CMOS總線接口寄存器
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 86K
代理商: IDT74FCT821BDSOB
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT821/A/B
HIGH PERFORMANCE CMOS BUS INTERFACE REGISTER
5
NOTES:
1. See test circuit and waveforms.
2. Mnimumlimts are guaranteed but not tested on Propagation Delays.
3. These parameters are guaranteed but not tested.
IDT54/74FCT821A
Coml.
Mn.
(2)
Max.
10
IDT54/74FCT821B
Coml.
Mn.
(2)
Max.
7.5
Mil.
Mil.
Parameter Description
t
PLH
t
PHL
Conditions
(1)
C
L
= 50pF
R
L
= 500
C
L
= 300pF
(3)
R
L
= 500
C
L
= 50pF
R
L
= 500
Mn.
(2)
Max.
11.5
Mn.
(2)
Max.
8.5
Unit
ns
Propagation Delay
CP to Yx (
OE
= LOW)
20
20
15
16
t
SU
t
H
t
W
t
PZH
t
PZL
Set-up Time HIGH or LOW, Dx to CP
Hold Time HIGH or LOW, Dx to CP
CP Pulse Width
,
HIGH or LOW
Output Enable Time
OE
to Yx
4
2
7
12
4
2
7
13
3
8
3
9
1.5
6
1.5
6
ns
C
L
= 50pF
R
L
= 500
C
L
= 300pF
(3)
R
L
= 500
C
L
= 5pF
(3)
R
L
= 500
C
L
= 50pF
R
L
= 500
ns
23
25
15
16
t
PHZ
t
PLZ
Output Disable Time
OE
to Yx
7
8
6.5
7
ns
8
9
7.5
8
SWITCHING CHARACTERISTICS OV ER OPERATING RANGE
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