MC74HCT4851A Datasheet, PDF (5/13 Pages) ON Semiconductor – Analog Multiplexers/ Demultiplexers with Injection Current Effect Control with LSTTL Compatible Inputs

Vin2 / Iin2 meas. here.
Current Source
HP4155C
Smu #2
MC74HCT4851A
External DC P.S.
V_CC = 5 V
4
16
X7
Vin1 = 4.9 V (Smu3)
Iin1 meas. Here
Vm1 connected here.
RS
X0
13
X
3
Vout
Vm2 connected here.
6
NOTES: Rs = 3.9 KW or 20 KW.
8
NOTES: Vm1 & Vm2 are internal
NOTES: HP4155C Voltmeters.
GND or V_SS
Figure 4. Injection Current Coupling Specification
http://onsemi.com
5