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Commodore Plus 4 - Unpacking your Commodore Plus;4

Commodore Plus 4
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U3, US, U19 PINOUTS ON PAGE8
NC
DIN
WE
RAS
A(JJ
A2
A1
VCC
WE
RAS
CAS
PIN
CONFIGURATION
11
16
22
15
--
33
14
--
44
13
--
55
12
--
66
11
--
77
10
--
88
99
COMMODORE APPROVED VENDOR
ACCESS
POWER
PART SOURCE
11
PART TIME
CYCLES
ACTIVE STANDBY
NUMBER
OF SUPPLY NUMBER
(ns)
(ns)
(MW) (MAX)(MW)
901505-01 HITACHI
HM4864-3 200
335 330
20
901505-01 NEC !-,PD4164-2
200 375
250
28
901505-01 MITSUBISHI
M5K416NS-20 200
330
275
28
901505-01 MOSTEK
MK4564N-20 200
345
300
22
901505-01 OKI
MSM3764-20 200 330
248
23
901505-01 HITACHI
HM4864P-3 200
335
330
20
901505-01
MATSUSHITA
MN4164P-20 200
330
275
27.5
(PANASONIC)
901505-01 SIEMENS
HYB4164-3 200 330
150
20
901505-01 SHARP
LH2164-Z1 200
330
248
28
901505-01 HIT ACHI
HM4864AP-3 200
330
242
20
901505-01 TOSHIBA
TMM4164AP-20 200
330
275
22
-vss
-CAS
-DOUT
-A6
-A3
-A4
-A5
-A7
U11- 18
64K DYNAMIC RAM
901505-01
--
R/W CLOCK
GENERATOR
R/W SWITCH
,,
;;
RAS CLOCK
UU
DATA IN
()
GENERATOR
ww
MEMORY
CC
MEMORY
BUFFER
ARRAY
ARRAY
....
00
UU
~~
CAS CLOCK
CI)
ROW DEC.
ROW DEC.
CI)
DATA OUT
a..
a..
GENERATOR
UU
:iE
BUFFER
~~
:iE
CI) ~~
MEMORY
c(
c(
MEMORY
:J:
ARRAY
ww
..i ~~
ARRAY ~~
,,
CI)
CI)
00
CI)
WW
---.0
WW
CI)
UU
CI)
a::
a::
::J •• ::J
LL.
A7
--
LL.
ca
UU CIl
WW
---.-0
WW
oo
WW
00
a::
// AGo
a::
MEMORY
CI)
;;;;;C ;;;;;
MEMORY
ww
CI)
a::
ww
~~ ARRAY ~~
ww
//
ARRAY
ww
CI)
VBB GENER
CI)
LL.
ZZ
CI) UU
WW
LL.
WW
ww
::J
CI)
CI)
a::
ROW DEC.
l/l
ROW DEC.
ca
CC
'"
....
CI)
CC
UU
c(
\\
CI)
ww
ww
MEMORY
CC
MEMORY
:J:
a::
ARRAY
ARRAY
CI)
CC
....
ww
CC
00
a::
c(
uu
LL.
WW
a::""
A0
vv
FUNCTIONAL DIAGRAM
DIN
DOUT
VCC
VSS
ATOR

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