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SN74LS251 Просмотр технического описания (PDF) - Motorola => Freescale

Номер в каталогеКомпоненты Описаниепроизводитель
SN74LS251 8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS Motorola
Motorola => Freescale Motorola
SN74LS251 Datasheet PDF : 6 Pages
1 2 3 4 5 6
SN54/74LS251
3-STATE AC WAVEFORMS
VIN
1.3 V
tPLH
VOUT
1.3 V
1.3 V
tPHL
1.3 V
Figure 1
VIN
1.3 V
tPHL
VOUT
1.3 V
1.3 V
tPLH
1.3 V
Figure 2
VE
tPZL
VOUT
1.3 V
1.3 V
Figure 3
1.3 V
0.5 V
tPLZ
1.3 V
VOL
0.5 V
VE
tPZH
VOUT
1.3 V
tPHZ
1.3 V
1.3 V
VOH
1.3 V
0.5 V
Figure 4
TO OUTPUT
UNDER TEST
VCC
RL
SW1
AC LOAD CIRCUIT
5 k
CL*
SW2
SWITCH POSITIONS
SYMBOL
SW1
SW2
tPZH
tPZL
tPLZ
tPHZ
Open
Closed
Closed
Closed
Closed
Open
Closed
Closed
* Includes Jig and Probe Capacitance.
Figure 5
FAST AND LS TTL DATA
5-413
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