Oki OKIPAGE 8p Maintenance Manual page 117

(4) Signal level
• LOW : 0 V to +0.8 V
• HIGH : +2.4 V to 5.0 V
(5) Interface circuit
• 8p
a) Receiving circuit
R = 3.3KΩ (1.0-KΩ STROBE)
R
+5V
b) Sending circuit
(Open Collector)
3.3KΩ
+5V
(6) Timing charts
a) Data receiving timing (compatible mode)
PARALLEL DATA
(DATA BITs 1 to 8)
DATA STROBE
BUSY
ACKNOWLEDGE
b) INPUT PRIME timing (when the INPUT PRIME signal is enabled)
INPUT. PRIME
BUSY
SELECT
ACKNOWLEDGE
0.5 µs min.
0.5 µs min.
0.5 µs max.
0 min.
0.5 µs to 10 µs
50 ms min.
5 µs max.
0.5 µs to 10 ms
B - 3
• 8w
a) Receiving circuit
+5V
R
R = 3.3KΩ (1.0-KΩ STROBE)
b) Sending circuit
+5V
3.3KΩ
(Open Collector)
0.5 µs min.
0.5 µs min.
0 min.
0 min.
0 min.
5 µs max.
0 min.