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74F198 Datasheet(PDF) 8 Page - NXP Semiconductors

Part No. 74F198
Description  8-bit bidirectional universal shift register
Download  12 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F198 Datasheet(HTML) 8 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F198
8-bit bidirectional universal shift register
October 2, 1987
8
AC WAVEFORMS
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VM
SF00166
CP
Qn
VM
tw(H)
tPHL
VM
tPLH
1/fMAX
tw(L)
VM
Waveform 1.
Propagation ’Delay, Clock Input to Output,
Clock Widths, and Maximum Clock Frequency
VM
VM
th(H)
ts(H)
Dn, Sn
CP
SF00164
DSR, DSL
VM
VM
VM
th(L)
ts(L)
VM
Waveform 2.
Setup Time and Hold Time
VM
SF00158
MR
Qn
VM
tw(L)
tPHL
VM
tREC
CP
VM
Waveform 3.
Master Reset Pulse Width, Master Reset to
Output Delay and Master Reset to Clock Recovery Time
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
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.
tTHL (tf )
tTLH (tr )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
SF00006


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