74ABT241 데이터 시트보기 (PDF) - Philips Electronics
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74ABT241 Datasheet PDF : 10 Pages
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Philips Semiconductors
Octal buffer/line driver (3-State)
Product specification
74ABT241
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
An to Yn
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
3V
INPUT
1.5V
tPLH
1.5V
tPHL
0V
VOH
OUTPUT
1.5V
1.5V
VOL
SA00028
Waveform 1. Waveforms Showing the Input (An)
to Output (Yn) 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
2.6
4.1
1.0
4.6
1.0
2.7
4.2
1.0
4.6
1.1
3.2
6.3
1.1
6.8
1.3
4.3
5.8
1.3
6.8
1.6
3.6
6.1
1.6
7.1
1.0
2.6
5.4
1.0
5.9
UNIT
ns
ns
ns
OE INPUT
OE INPUT
VM
tPZL
VM
tPLZ
3.5V
Yn OUTPUT
VM
tPZH
Yn OUTPUT
VM
tPHZ
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00041
Waveform 2. Waveforms Showing the 3–State Output
Enable and Disable Times
1998 Jan 16
5
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