Epson LQ-1050 Technical Manual page 221

REV.-A
Mode
Output Disable
Standby
High Performance Program
Program Verify
Optional Verify
Program Inhibit
Identifier
NOTES: 1. X . . . Don't care
=
2. VI-I 12.OV * 0.5V
3 . – 0 . 6 - +7V
=
4 . Vpp – 0 . 6
Table A-7. HM65256 EP-ROM Signal Status
CE OE
L L
L H
H x
L H
H L
L L
H H
L L
-
+ 14V
A 9
x
x
x
x
x
x
x
outputs
D out
High Z
High Z
D
in
D out
D out
High Z
Code