Sharp CE-515P - Page 17

(4) Electronic Signal conditions
Name Composition
+5V |OC SN74LS373 or the equivalent
I K
DATA 1~8 oj—w—ro Q—
100Q
1000P,] [EN
+ 5V 2SC1317 or the equivalent
—_— 10K
DSTB
O
Input
+5V
10K
EXPRM 28C1317 or the equivalent
@,
10K
7777
+5V
| K
BUSY 28C1317 or the equivalent
17
+5V
Qutput ACKNLG % I K LB1247 or the equivalent
v
SELECT e
FAULT %4-7'(
(5) Input Signal level (6) Output signal level
HIGH level: 2.4 10 5.0V HIGH level: 2.0to 5.0V
LOW level: 0.0 to 0.4V LOW level: 0.0 to 0.8V
{7) Input/Output timing chart
Parallel DATA Timing chart
DATA
1~8
1uS (MIN)
-t } 10uS (MIN)
1 uS (MIN)
0.5u8 (MAX)
BUSY t
10uS (MAX) ~— = 11 to 14US
ACKNLG U