74ABT74DB Просмотр технического описания (PDF) - Philips Electronics
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74ABT74DB Datasheet PDF : 5 Pages
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Philips Semiconductors
Dual D-type flip-flop
Product specification
74ABT74
TEST CIRCUIT AND WAVEFORMS
VCC
VIN
PULSE
GENERATOR
D.U.T.
VOUT
RL
RT
CL
Test Circuit for Outputs
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
VM
10%
tW
VM
10%
tTHL (tF)
tTLH (tR)
90%
VM
90%
VM
tW
VM = 1.5V
Input Pulse Definition
90%
AMP (V)
0V
tTLH (tR)
tTHL (tF)
AMP (V)
10%
0V
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate tW
tR
tF
74ABT
3.0V
1MHz 500ns 2.5ns 2.5ns
SH00067
1995 Sep 22
5
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