SDA9251-2X Infineon Technologies Corporation, SDA9251-2X Datasheet - Page 15

• Manufacturer Part Number: SDA9251-2X
• Description: Dynamic Sequential Access Memory For Television Applications (tv-sam)
• Manufacturer: Infineon Technologies Corporation

Operation Truth Table
Note: X = Dont’t care
V
Semiconductor Group
SCAD
(TF) =
X
X
X
RA0…RA7 CA0…CA5
RA0…RA7 CA0…CA5
RA0…RA7 CA0…CA5
V
SAR
IL
X
X
X
X
(TF) or not connected
RE Cycle
SAC
X
X
X
X
N
M0
H
H
X
X
X
L
L
Mode
M1
H
H
X
X
X
L
L
Row address, column address and mode bits have to be
defined in RE cycle
cycle
OEA
X
X
X
X
X
X
L
N
OEB
X
X
X
X
X
X
L
+ 1
173
SCA
X
X
X
X
X
X
RE Cycle
SCB
N
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 9251-2X
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
Serial read port B
Serial read port C