HD74LS161AFPEL Просмотр технического описания (PDF) - Renesas Electronics
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HD74LS161AFPEL Datasheet PDF : 11 Pages
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HD74LS161A
Testing Table
Item
From input to
output
ƒmax
CK Ripply
→ Carry
CK → Q
tPLH
tPHL
CK → Q
Enable
T
→
Ripple
Carry
CLR → Q
Notes: *. For initialized
Clear Load
4.5V 4.5V
4.5V 4.5V
4.5V
4.5V
4.5V
GND
4.5V GND
IN GND
Enable
P
T
4.5V 4.5V
4.5V 4.5V
4.5V
GND
4.5V
GND
4.5V
IN
GND GND
Inputs
Clock
IN
A
GND
IN
GND
IN
GND
IN
IN*
IN*
4.5V
IN*
4.5V
Item From input to output
ƒmax
CK→Ripple Carry
CK→Q
tPLH CK→Q
tPHL Enable T→Ripple Carry
CLR→Q
QA
OUT
—
OUT
OUT
—
OUT
QB
OUT
—
OUT
OUT
—
OUT
Outputs
QC
OUT
—
OUT
OUT
—
OUT
Data
B
C
GND GND
GND GND
GND
IN*
GND
IN*
4.5V
4.5V
4.5V
4.5V
D
GND
GND
GND
IN*
4.5V
4.5V
QD
OUT
—
OUT
OUT
—
OUT
Ripple Carry
OUT
OUT
—
—
OUT
—
Rev.2.00, Feb.18.2005, page 6 of 10
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