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74HC258DB Datasheet(PDF) 8 Page - NXP Semiconductors

Part # 74HC258DB
Description  Quad 2-input multiplexer; 3-state; inverting
PDF  14 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC258DB Datasheet(HTML) 8 Page - NXP Semiconductors

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74HC258_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 14 April 2008
8 of 14
NXP Semiconductors
74HC258
Quad 2-input multiplexer; 3-state; inverting
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
RL = Load resistance.
S1 = Test selection switch.
Fig 8.
Test circuit for measuring switching times
VM
VM
tW
tW
10 %
90 %
0 V
VI
VI
negative
pulse
positive
pulse
0 V
VM
VM
90 %
10 %
tf
tr
tr
tf
001aad983
DUT
VCC
VCC
VI
VO
RT
RL
S1
CL
open
G
Table 9.
Test data
Supply voltage
Input
Load
S1
VCC
VI
tr = tf
CL
RL
tPZL, tPLZ
tPZH, tPHZ
tPHL, tPLH
2.0 V
VCC
6 ns
50 pF
1 k
Ω
VCC
GND
open
4.5 V
VCC
6 ns
50 pF
1 k
Ω
VCC
GND
open
6.0 V
VCC
6 ns
50 pF
1 k
Ω
VCC
GND
open
5.0 V
VCC
6 ns
15 pF
1 k
Ω
VCC
GND
open



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