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74HCT4851 Datasheet, PDF (9/20 Pages) NXP Semiconductors – 8-channel analog multiplexer/demultiplexer with injection-current effect control
NXP Semiconductors
74HC4851; 74HCT4851
8-channel analog MUX/DEMUX with injection-current effect control
E
VIH
IS Yn
VI
VCC
Z
IS
GND
VO
001aaf878
Fig 6. Test circuit for measuring OFF-state leakage
current
Yn
IS
VCC
selected
channel(1)
VI
E
VIL
Z
n.c.
Yn
any disabled
channel
VO
GND
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(1) Channel is selected by S0, S1 and S2.
Fig 7. Test circuit for measuring ON-state leakage
current
VSW
V
VCC
E
VIL
Yn
Z
VI
GND
RON = VSW / ISW.
ISW
001aaf880
Fig 8. Test circuit for measuring ON resistance
VI(1)
ISW
VIL
VI(2)
RS
VI
VCC
any disabled
channel
Yn
Z
E
Yn
selected
channel(1)
GND
VO
001aaf881
(1) Channel is selected by S0, S1 and S2.
VI(1) < GND or VI(1) > VCC.
GND < VI(2) < VCC.
Fig 9. Test circuit for injection current coupling
74HC_HCT4851_2
Product data sheet
Rev. 02 — 2 September 2008
© NXP B.V. 2008. All rights reserved.
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