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PDF 74ABT245DB Data sheet ( Hoja de datos )
| Número de pieza | 74ABT245DB | |
| Descripción | Octal transceiver with direction pin 3-State | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74ABT245
Octal transceiver with direction pin
(3-State)
Product specification
Supersedes data of 1996 Sep 10
IC23 Data Handbook
1998 Jan 16
Philips
Semiconductors
1 page  
Philips Semiconductors
Octal transceiver with direction pin (3-State)
Product specification
74ABT245
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
An to Bn or Bn to An
Output enable time
to High and Low level
Output disable time
from High and Low Level
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1
2
2
An or Bn
INPUT
Bn or An
OUTPUT
VM
tPLH
VM
VM
tPHL
VM
SA00124
Waveform 1. Waveforms Showing the Input to Output
Propagation Delays
TEST CIRCUIT AND WAVEFORMS
From Output
Under Test
CL = 50 pF
500 Ω
500 Ω
7V
S1
Open
GND
Load Circuit
TEST
S1
tpd
tPLZ/tPZL
tPHZ/tPZH
open
7V
open
DEFINITIONS
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
SA00012
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 2.2 4.1
1.0 2.9 4.2
1.0
1.0
4.6
4.6
1.3 3.0 4.8
2.3 4.0 5.8
1.3
2.3
5.3
6.3
1.0 4.7 6.2
1.0 4.1 5.8
1.0
1.0
7.2
6.3
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. Waveforms Showing the 3-State Output Enable
and Disable Times
1998 Jan 16
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74ABT245DB.PDF ] | |
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