Philips EXP 411 Service Manual page 21

WE#
CASL#
CASH#
NO. 2 CLOCK
GENERATOR
COLUMN-
ADDRESS
10
BUFFER
A0
REFRESH
A1
CONTROLLER
A2
A3
A4
REFRESH
A5
COUNTER
A6
A7
10
A8
ROW-
A9
ADDRESS
10
BUFFERS (10)
NO. 1 CLOCK
RAS#
GENERATOR
7481 : MT4LC1M16E5TG-6
V 1
CC
DQ0 2
DQ1 3
DQ2 4
DQ3 5
V 6
CC
DQ4 7
DQ5 8
DQ6 9
DQ7 10
NC 11
NC 12
WE# 13
RAS# 14
NC 15
NC 16
A0 17
A1 18
A2 19
A3 20
V 21
CC
NOTE:
The "#" symbol indicates signal is active LOW.
CAS#
10
3-7
42 V
SS
41 DQ15
40 DQ14
39 DQ13
38 DQ12
37 V
SS
36 DQ11
35 DQ10
34 DQ9
33 DQ8
32 NC
31 CASL#
30 CASH#
29 OE#
28 A9
27 A8
26 A7
25 A6
24 A5
23 A4
22 V
SS
DATA-IN BUFFER
COLUMN
10
DECODER
1,024
16
SENSE AMPLIFIERS
I/O GATING
1,024 x 16
1,024 x 1,024 x 16
MEMORY
1,024
ARRAY
DQ0
16
DQ15
DATA-OUT
BUFFER
OE#
16
V
V
DD
SS