N74F862N(2004) Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
N74F862N Datasheet PDF : 10 Pages
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Philips Semiconductors
Bus transceiver, inverting (3-State)
Product data
74F862
AC WAVEFORMS
For all waveforms, VM = 1.5 V.
An or Bn
VM
VM
Bn or An
tPLH
VM
tPHL
VM
SF00534
Waveform 1. Propagation delay for inverting output
OEBA
OEAB
An, Bn
VM
tPZL
VM
tPLZ
VM
VOL + 0.3 V
SF00536
Waveform 3. 3-State Output Enable time to LOW level and
Output Disable time from LOW level
OEBA
OEAB
An, Bn
VM
tPZH
VM
tPHZ
VM
VOH –0.3 V
0V
SF00535
Waveform 2. 3-State Output Enable time to HIGH level and
Output Disable time from HIGH level
TEST CIRCUITS AND WAVEFORMS
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
7.0 V
NEGATIVE
PULSE
90%
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
3.0 V 1.5 V 1 MHz 500 ns 2.5 ns
tTHL
2.5 ns
SF00128
2004 Jan 23
6
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