74F350 데이터 시트보기 (PDF) - Philips Electronics
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74F350 Datasheet PDF : 6 Pages
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Philips Semiconductors FAST Products
4-bit shifter
Product specification
74F350
AC WAVEFORMS
For all waveforms, VM = 1.5V.
In, I–n, Sn
Yn
VM
VM
tPLH
VM
tPHL
VM
SF00212
Waveform 1. Propagation Delay Data and Select to Output
OE
VM
VM
tPZH
tPHZ
VOH–0.3V
VM
Yn
0V
SF00213
Waveform 2. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
TEST CIRCUIT AND WAVEFORMS
OE
VM
VM
tPZL
tPLZ
Yn
VM
VOL+0.3V
SF00214
Waveform 3. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
VCC
VIN
PULSE
GENERATOR
VOUT
RL
D.U.T.
RT
CL RL
Test Circuit for Open Collector Outputs
SWITCH POSITION
TEST
tPLZ
tPZL
All other
SWITCH
closed
closed
open
7.0V
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
Input Pulse Definition
90%
AMP (V)
0V
AMP (V)
10%
0V
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
INPUT PULSE REQUIREMENTS
family
amplitude VM rep. rate
tw
tTLH
74F
3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
SF00128
March 20, 1989
6
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