HP 8901B - Page 195

Model 8901B
Service
L L H
1 ;Dx
AND GATE
L H L
L L
nble 8A-6. Schematic Diagram Notes (9 of 1 I)
I
FFlTlT
OR GATE
NAND GATE
B
OR GATE WITH H H
INVERTED INPUTS L H H
NOR GATE
B
AND GATE WITH
INVERTED INPUTS
L H L
L
L H
EXCLUSIVE-OR
GATE
OPEN COLLECTOR
OUTPUTS (TTL) +V
INVERTER
OPEN EMlllER
OUTPUTS (ECL)
EXTERNAL ',*
RES ISTO R
PULL-DOWN lv
8A-18