Sony HCD-FL7D Service Manual page 99

IC808 MSM56V16160F-8TK7R1
50 49 48 47 46 45 44 43 42
OUTPUT
BUFFERS
READ
DATA
REGISTER
INPUT
DATA
REGISTER
INPUT
BUFFERS
1 2 3 4 5 6 7 8 9
IC814 TC7WH157FK (TE85R)
8
11 7
11 6
EN G
A 1 A Y 5
B 2 B Y
3
Y
GND 4
IC902 TC7S32FU (TE85R)
5 VCC
IN B
1
4 OUT Y
2
IN A
3
GND
41 40 39 38 37 36 35 34
TIMING
REGISTER
PROGRAMING
REGISTER
LATENCY
&
BURST
CONTROLLER
I/O
CONTROLLER
BANK
CONTROLLER
10 11 12 13 14 15 16 17 18
VCC
ST
SELECT
Y
33
INTERNAL
COLUMN
COLUMN
ADDRESS
ADDRESS
BUFFERS
COUNTOR
SENSE COLUMN
AMPLIFIER DECODERS
MEMORY WORD ROW
CELLS DRIVERS DECODERS
IC903 BR24C08F-E2
8 7 6 5
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
R/W
D
IN
D
1 2 3
IC904 TC7W74FU
8 7 6 5
S R Q
C D Q
1 2 3 4
HCD-FL7D
32 31 30 29 28 27
INTERNAL
ROW
ROW
ADDRESS
ADDRESS
BUFFERS
COUNTOR
19 20 21 22 23 24
SERIAL
EN
CONTROL H.V. PUMP/TIMING
LOGIC
DATA RECOVERY
COMP
LOAD INC
DATA WORD
2
E PROM
ADDR/COUNTER
Y DEC SERIAL MUX
D /ACK
OUT
LOGIC
OUT
4
26
25
99