Ic Block Diagram & Description - Sanyo DVD-SL33KR Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
U0101 IMP809SEUR-T(3 PIN POWER SUPPLY)
GND 1
(RESET) RESET 2
U0103 1MX16Y3VTW-7(DRAM)
34
CKE
CLK 35
CONTROL
LOGIC
CS# 18
WE# 15
CAS# 16
RAS# 17
MODE
REGISTER
ADDRESS
A0-A10, 21~24,19
27~32,20 REGISTER
BA
REFRESH
CONTROLLER
REFRESH
COUNTER
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IMP809
(IMP810)
3 V
CC
ROW-
ADDRESS
LATCH
ROW-
ADDRESS
MUX
ROW-
ADDRESS
LATCH
U0401 RC4558(AMP)
1OUT
1
1IN-
2
1IN+
3
V -
4
CC
BANK0
MEMORY
2,048
ARRAY
(2,048 x 256 x 16)
256
(x16)
SENSE AMPLIFIERS
I/O GATING
DQM MASK LOGIC
256
COLUMN
DECODER
256
SENSE AMPLIFIERS
I/O GATING
DQM MASK LOGIC
256
(x16)
BANK1
MEMORY
2,048
ARRAY
(2,048 x 256 x 16)
- 8 -
V +
8
CC
2OUT
7
2IN-
6
2IN+
5
DQML,
14,36
DQMH
DATA
OUTPUT
REGISTER
2,3,5,6,
8,9,11,
DQ0-
12,39,40,
DQ15
42,43,45,
46,48,49
DATA
INPUT
REGISTER