74ABT574APW 데이터 시트보기 (PDF) - Philips Electronics
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74ABT574APW Datasheet PDF : 11 Pages
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Philips Semiconductors
Octal D-type flip-flop (3-State)
Product specification
74ABT574A
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time, High or Low
Dn to CP
2
th(H)
th(L)
Hold time, High or Low
Dn to CP
2
tw(H)
tw(L)
CP pulse width
High or Low
1
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1/fMAX
CP
VM
VM
VM
tw(H)
tPHL
tw(L)
tPLH
Qn
VM
VM
SA00056
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
DÉÉÉn ÉÉÉÉÉÉVM ÉÉÉVMÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉVM ÉÉÉVÉÉÉM ÉÉÉÉÉÉ
ts(H)
th(H)
ts(L)
th(L)
CP
VM
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
Waveform 2. Data Setup and Hold Times
SA00107
Tamb = +25oC
VCC = +5.0V
Min
Typ
1.0
0.6
1.0
0.2
1.0
–0.7
1.0
–0.4
2.0
0.7
2.0
0.8
LIMITS
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
Min
1.0
1.0
1.0
1.0
2.0
2.0
UNIT
ns
ns
ns
OE
VM
VM
tPZH
tPHZ
VOH
Qn
VM
VOH –0.3V
0V
SA00108
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
OE
VM
VM
tPZL
tPLZ
Qn
VM
VOL +0.3V
VOL
SA00109
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
1995 May 22
6
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