Sony HCD-SR4W - Page 77

77
HCD-SR4W
IC812, 813 SN74LV245APWR
1234
5
678910
20 19 18 17
16
15 14 13 12
11
A1
DIR
A2 A3 A4 A5 A6 A7 A8
GND
ENABLE
G
V
CC
B1 B2 B3 B4 B5 B6 B7 B8
IC808 MSM56V16160F-8TK7R1
A9 A8 A7 A6 A5 A4 VSS
A11-BA
A10/AP
A0 A1 A2 A3
VDD VDD
DQ0 DQ1
VSSQ
DQ2 DQ3
VCCQ
DQ4 DQ5
VSSQ
DQ6 DQ7
VDDQ
VSS DQ15 DQ14 VSSQ DQ13 DQ12 VCCQ DQ11 DQ10 VSSQ DQ9 DQ8 VDDQ
CAS
RAS
3132 2930 262728
212019 2322 252421 43 65 87 109 11 1312
4950 4648 4447 45 4243 3940 36
READ
DATA
REGISTER
INPUT
DATA
REGISTER
OUTPUT
BUFFERS
INPUT
BUFFERS
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
COLUMN
ADDRESS
BUFFERS
UDQM
35
CLK
34
CKE
33
NC
37
NC
38
41
I/O
CONTROLLER
PROGRAMING
REGISTER
16
WE
15 17
CS
18
LDQM
14
ROW
ADDRESS
BUFFERS
INTERNAL
COLUMN
ADDRESS
COUNTOR
LATENCY
&
BURST
CONTROLLER
INTERNAL
ROW
ADDRESS
COUNTOR
TIMING
REGISTER
BANK
CONTROLLER
IC814 TC7WH157FK (TE85R)
SELECT
116
ST
117
A
1
2
3
A
B
Y
5
Y
B
GND
4
VCC
8
Y
EN G
Y
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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