參數(shù)資料
型號: 7ABT574APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal D-type flip-flop 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?。?/td> 50K
代理商: 7ABT574APWDH
Philips Semiconductors
Product specification
74ABT574A
Octal D-type flip-flop (3-State)
1995 May 22
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
1.0
1.0
1.0
1.0
2.0
2.0
T
amb
= -40 to +85
o
C
V
CC
= +5.0V
±
0.5V
Min
1.0
1.0
1.0
1.0
2.0
2.0
UNIT
Typ
0.6
0.2
–0.7
–0.4
0.7
0.8
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
Setup time, High or Low
Dn to CP
Hold time, High or Low
Dn to CP
CP pulse width
High or Low
2
ns
2
ns
1
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
VM
VM
VM
VM
VM
1/f
MAX
t
w
(H)
t
PHL
t
w
(L)
t
PLH
CP
Qn
SA00056
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
ééé
ééé
ééé
s
ééééééééé
ééééééééé
ééééééééé
h
s
h
V
M
Dn
V
M
V
M
CP
NOTE:
The shaded areas indicate when the input is permitted
to change for predictable output performance.
SA00107
Waveform 2. Data Setup and Hold Times
OE
V
M
t
PZH
t
PHZ
0V
V
OH
–0.3V
Qn
V
M
V
M
SA00108
V
OH
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
OE
t
PZL
t
PLZ
V
OL
+0.3V
Qn
V
M
V
M
V
M
V
OL
SA00109
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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