74AHC377 데이터 시트보기 (PDF) - Philips Electronics
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74AHC377 Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type flip-flop with data enable;
positive-edge trigger
AC WAVEFORMS
Product specification
74AHC377; 74AHCT377
handbook, full pagewidth
VI
CP input
GND
VOH
Qn output
VOL
1/fmax
VM(1)
tW
tPHL
VM(2)
tPLH
MNA608
FAMILY
AHC
AHCT
VI INPUT
REQUIREMENTS
GND to VCC
GND to 3.0 V
VM(1)
INPUT
50% VCC
1.5 V
VM(2)
OUTPUT
50% VCC
50% VCC
Fig.6 The clock (CP) to output (Qn) propagation delays.
handbook, full pagewidth
VCC
E input
GND
VCC
Dn input
GND
VCC
CP input
GND
VM(1)
th
t su
stable
VM(1)
t su
th
VM(1)
th
t su
tW
MNA609
FAMILY
VI INPUT
REQUIREMENTS
VM(1)
INPUT
AHC
AHCT
GND to VCC
GND to 3.0 V
50% VCC
1.5 V
The shaded areas indicate when the input is permitted to change for predicable
output performance.
Fig.7 The data set-up and hold times for Dn input
2000 Aug 15
11
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