74ABT125D 查看數據表（PDF） - Philips Electronics
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74ABT125D Datasheet PDF : 10 Pages
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Philips Semiconductors
Quad buffer (3-State)
Product specification
74ABT125
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
OE INPUT
VM
VM
tPZL
tPLZ
3.5V
Yn OUTPUT
VM
tPZH
Yn OUTPUT
VM
tPHZ
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00029
Waveform 2. Waveforms Showing the 3-State
Output Enable and Disable Times
1998 Jan 16
5
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