Output Circuits; Ttl Drivers - Canon LBP-CX Series Service Manual

b. Output circuits
TTL drivers are used to drive almost all loads.
Open-collector
TT_t-______~
inverter
~
Open-collector TTL
~C
buffer
~
Open-collector TTL O/C
NANDgate
~
Special TTL line
driver (for
differential outputs}
A
y
B
Figure 3-27 TTL drivers
Transistor inverter-drivers are used to drive sole-
noids, lamps, heaters, and the print counter.
+5
v
Inverter driver
3-26
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BY CANON lllC. CANON LBP-CX SERIES REY.2 JULY 1985 PRINTBI IN JAPAN (IMPRIME AU JAPON)