74ABT620 Просмотр технического описания (PDF) - Philips Electronics
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74ABT620 Datasheet PDF : 11 Pages
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Philips Semiconductors
Octal transceiver with dual enable, inverting
(3-State)
Product specification
74ABT620
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
An to Bn or Bn to An
1
tPZH
tPZL
Output enable time
OEBA to An
2
tPHZ
tPLZ
Output disable time
OEBA to An
2
tPZH
tPZL
Output enable time
OEAB to Bn
2
tPHZ
tPLZ
Output disable time
OEAB to Bn
2
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
An or Bn
INPUT
Bn or An
OUTPUT
VM
tPHL
VM
VM
tPLH
VM
SA00192
Waveform 1. Waveforms Showing the Input to Output
Propagation Delays
LIMITS
Tamb = +25°C
VCC = +5.0V
Min
Typ
Max
Tamb = –40°C to +85°C
VCC = +5.0V ±0.5V
Min
Max
1.0
2.9
4.1
1.0
4.8
1.0
3.1
4.3
1.0
4.8
1.3
3.2
4.6
1.3
5.5
1.0
2.7
6.1
1.0
7.1
2.0
5.0
6.3
2.0
7.0
1.4
4.0
5.4
1.4
5.8
1.6
4.6
6.2
1.6
6.8
2.0
4.2
5.9
2.0
6.4
1.2
3.9
5.6
1.2
6.5
1.1
2.9
4.7
1.1
5.6
UNIT
ns
ns
ns
ns
ns
OEBA
INPUT
OEAB
INPUT
An or Bn
OUTPUT
An or Bn
OUTPUT
VM
tPZL
VM
tPZH
VM
VM
tPLZ
tPHZ
3.5V
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00193
Waveform 2. Waveforms Showing the 3-State Output Enable
and Disable Times
1993 Jun 21
5
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