This is a 8K-byte CMOS static RAM which has low power consumption, and
compatible with the
Fertures
.32768 words x 8 bits
I
2 8
.
compatible input/output
2
2 7
A7
3
2 6
.
+5
single power
A6 4
2s
access time 120 ns
(MAX.)
s
24 A9
.28
pins (DIP)
6
23 A
I
2 2
Terminal Functions
AO-A14
. WE
. OE
. CE
1/00-1/07
.
Address input
W r i t e e n a b l e
1/00 11
O u t p u t e n a b l e
1/01 12
17 1/0s
1/02
1 / 0 4
Chip enable input
15
Data input/output
Power supply (+5
Ground
Figure A-7.
Pin Diagram
1 / 0 7
Figure A-8.
Block Diagram
Table A-4.
Signal Status
WE
CE OE
L
L
L
X
L
H
H
L
H
H
H
L
H
x
x
1/0 Terminal
Low impedance
High impedance
High impedance
High impedance
High impedance
Function
Read
Write
Refresh
Standby
NOTE :
care
A-8
Содержание LQ-1060
Страница 1: ...EPSON TERMINAL PRINTER L Q 8 6 0 1 0 6 0 TECHNICAL MANUAL ...
Страница 5: ...REVISION TABLE REVISION DATE ISSUED I CHANGE DOCUMENT I I 1st issue I v ...
Страница 68: ...cc o REV A N N n 1 cc b I al cc u co n4 2 1 Figure 2 14 Main Switching 2 21 ...
Страница 79: ...REV A Table 2 20 State of Module 1 1 I W stay E H H L H d O s H H 4 2 32 ...
Страница 203: ...Figure 5 6 MONPS MONPSE Board Voltage Waveforms 5 17 ...
Страница 204: ...REV A Fiaure 5 6 MONPS MONPSE Board Voltage Waveforms z L 5 18 ...
Страница 205: ...Figure 5 6 MONPS MONPSE Board Voltage Waveforms 5 19 ...
Страница 217: ... n 3 m I BUS CONTROL 1 LJ Pc II SYSTEM CONTROL I I L 1 I PERIPHERAL BUS IIF u lJ Figure A 2 PD78213 Block Diagram A 3 ...
Страница 248: ...REV A A 3 DRAWINGS 3 J32 J TI g 4 Figure A 27 MONPS Board Component Layout A 34 ...
Страница 249: ... J30 33r J32 d m b13 G a TI 7 IC20 r El m J24 C2 L cl mow B L U E u Figure A 28 MONPSE Board Component Layout A 35 ...
Страница 250: ... 2 1 1 1 1 I A b 2 Ozaz 1202 C O ZZH Z UOEE vu I 1 Figure A 29 MONPS Board Circuit Diagram ...
Страница 251: ...REV A 1 UXZO xl OX 9 xl Onz b 8M 118 en A N J 93 T 818 Figure A 30 MONPSE Board Circuit Diagram A 37 ...
Страница 252: ...L t g Figure A 31 JUNMM Board Component Layout A 38 ...