74ABT16245B Просмотр технического описания (PDF) - Philips Electronics
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74ABT16245B Datasheet PDF : 11 Pages
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Philips Semiconductors
16-bit bus transceiver (3-State)
Product specification
74ABT16245B
74ABTH16245B
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
nAx to nBx or nBx to nAx
1
tPZH
Output enable time
tPZL
to High and Low level
2
tPHZ
Output disable time
tPLZ
from High and Low level
2
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
INPUT
VM
tPLH
VM
tPHL
OUTPUT
VM
VM
SA00023
Waveform 1. 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
2.0
3.2
1.0
3.5
1.0
2.3
3.5
1.0
4.0
1.0
3.1
4.4
1.0
5.1
1.7
4.0
5.2
1.7
6.1
1.7
3.5
4.9
1.7
5.4
1.5
3.2
4.4
1.5
5.0
UNIT
ns
ns
ns
nOE INPUT
VM
VM
OUTPUT
OUTPUT
tPZL
VM
tPZH
VM
tPLZ
tPHZ
3.5V
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00024
Waveform 2. 3-State Output Enable and Disable Times
1998 Feb 25
6
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