N74F8965A 查看數據表（PDF） - Philips Electronics
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N74F8965A Datasheet PDF : 11 Pages
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Philips Semiconductors FAST Products
9-Bit address/data Futurebus transceiver, ADT
Product specification
74F8965/74F8966
TEST CIRCUITS AND WAVEFORMS
SWITCH POSITION
TEST SWITCH
tPLZ, tPZL closed
VCC
All other open
VIN
VOUT
RL
PULSE
D.U.T.
GENERATOR
RT
CL RL
Test circuit for 3–state outputs on A port
VCC
7.0V
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)
Low V
AMP (V)
10%
Low V
VIN
VOUT
RU
PULSE
D.U.T.
GENERATOR
INPUT PULSE REQUIREMENTS
family
74F amplitude Low V VM rep. rate
tw
tTLH
tTHL
RT
CD
A port 3.0V
0.0V 1.5V 1MHz
B port 3.0V
1.0V 1.5V 1MHz
Test circuit for outputs on B port
DEFINITIONS:
RL =
CL =
RU =
CD =
RT =
Load resistor; see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value.
Pull up resistor; see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value.
Termination resistance should be equal to ZOUT of pulse generators.
500ns 2.5ns 2.5ns
500ns 4.0ns 4.0ns
December 19, 1990
11
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