參數(shù)資料
型號: 7ABT373APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal transparent latch 3-State
中文描述: ABT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 6/11頁
文件大小: 50K
代理商: 7ABT373APWDH
Philips Semiconductors
Product specification
74ABT373A
Octal transparent latch (3-State)
1995 Feb 17
6
AC SETUP REQUIREMENTS
GND = 0V, t
R
= t
F
= 2.5ns, C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
o
C
V
CC
= +5.0V
Min
T
amb
= -40 to +85
o
C
V
CC
= +5.0V
±
0.5V
Min
UNIT
Typ
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
Setup time, High or Low
Dn to E
3
1.5
1.0
0.7
0.4
1.5
1.0
ns
Hold time, High or Low
Dn to E
3
1.0
1.0
0.0
–0.5
1.0
1.0
ns
t
w
(H)
E pulse width
High
1
2.5
1.7
2.5
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
t
w
(H)
t
PHL
t
PLH
E
Qn
SA00063
V
M
V
M
V
M
V
M
V
M
Waveform 1. Propagation Delay, Enable to Output, and Enable
Pulse Width
V
M
V
M
V
M
V
M
Qn
Dn
t
PLH
t
PHL
SA00064
Waveform 2. Propagation Delay for Data to Outputs
NOTE:
The shaded areas indicate when the input is permitted
to change for predictable output performance.
ééé
ééé
ééé
ééééééééé
ééééééééé
ééééééééé
V
M
Dn
V
M
V
M
V
M
V
M
E
SA00065
V
M
Waveform 3. Data Setup and Hold Times
OE
V
M
t
PZH
t
PHZ
0V
Qn
V
M
V
M
SA00066
V
OH
–0.3V
Waveform 4. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
OE
t
PZL
t
PLZ
0V
Qn
V
M
V
M
V
M
SA00067
V
OL
+0.3V
Waveform 5. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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