SDA9254-2 Infineon Technologies Corporation, SDA9254-2 Datasheet - Page 20

• Manufacturer Part Number: SDA9254-2
• Description: 2.6mb Dynamic Sequential Access Memory For Television Applications (tv-sam) With On-chip Noise Reduction Filter
• Manufacturer: Infineon Technologies Corporation

Operation Truth Table
Note: X = Don’t care
Semiconductor Group
SCAD
X
X
X
RA0…RA
RA0…RA
RA0…RA
SAR
X
X
X
X
7
7
7
RE Cycle
CA0…CA
CA0…CA
CA0…CA
SAC
X
X
X
X
5
5
5
N
M0
H
H
X
X
X
L
L
Mode
M1
H
H
L
L
X
X
X
Row address, column address and mode bits have to be
defined in RE cycle
cycle
OEA
X
X
X
X
X
X
L
N
OEDLO
+ 1
X
X
X
X
X
X
L
20
SCA
X
X
X
X
X
X
RE Cycle
N
SCB
X
X
X
X
X
in order to become effective in RE
N
RA
X
X
X
X
X
X
+ n, n = 1, 2, 3 …
RB
X
X
X
X
X
X
WT
X
X
X
X
X
X
SDA 9254-2
Operation
Read transfer from
memory to shifter A
Read transfer from
memory to shifter B
Write transfer from
shifter C to memory
Refresh with
internal row
address
Serial read port A
Data output DLO
Serial read port C
1998-01-16