參數(shù)資料
型號: MC74AC373DW
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
中文描述: AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, SOIC-20
文件頁數(shù): 5/8頁
文件大小: 196K
代理商: MC74AC373DW
MC74AC373 MC74ACT373
5-5
FACT DATA
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74AC
74AC
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
Dn to On
Propagation Delay
Dn to On
Propagation Delay
LE to On
Propagation Delay
LE to On
3.3
5.0
1.5
1.5
10
7.0
13.5
9.5
1.5
1.5
15
10.5
ns
3-5
tPHL
3.3
5.0
1.5
1.5
9.5
7.0
13
9.5
1.5
1.5
14.5
10.5
ns
3-5
tPLH
3.3
5.0
1.5
1.5
10
7.5
13.5
9.5
1.5
1.5
15
10.5
ns
3-6
tPHL
3.3
5.0
1.5
1.5
9.5
7.0
12.5
9.5
1.5
1.5
14
10.5
ns
3-6
tPZH
Output Enable Time
3.3
5.0
1.5
1.5
9.0
7.0
11.5
8.5
1.0
1.0
13
9.5
ns
3-7
tPZL
Output Enable Time
3.3
5.0
1.5
1.5
8.5
6.5
11.5
8.5
1.0
1.0
13
9.5
ns
3-8
tPHZ
Output Disable Time
3.3
5.0
1.5
1.5
10
8.0
12.5
11
1.0
1.0
14.5
12.5
ns
3-7
tPLZ
Output Disable Time
3.3
5.0
1.5
1.5
8.0
6.5
11.5
8.5
1.0
1.0
12.5
10
ns
3-8
* Voltage Range 3.3 V is 3.3 V
±
0.3 V.
Voltage Range 5.0 V is 5.0 V
±
0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
(V)
74AC
74AC
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Dn to LE
Hold Time, HIGH or LOW
Dn to LE
3.3
5.0
3.5
2.0
5.5
4.0
6.0
4.5
ns
3-9
th
3.3
5.0
–3.0
–1.5
1.0
1.0
1.0
1.0
ns
3-9
tw
LE Pulse Width, HIGH
3.3
5.0
4.0
2.0
5.5
4.0
6.0
4.5
ns
3-6
* Voltage Range 3.3 V is 3.3 V
±
0.3 V.
Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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