SDA9251-2X Infineon Technologies Corporation, SDA9251-2X Datasheet - Page 13

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

AC Characteristics (cont’d)
V
Parameter
WT to RE lead time
RE to WT lead time
Output buffer turn-
off delay
WT to SCB delay
time
WT to SCB lead
time
WT pulse width
OEA to output A
access time
OEB to output B
access time
Access time from
SCA
Access time from
SCB
Data input set-up
time to SCB
Data input hold time
to SCB
Semiconductor Group
CC
= 5 V
10 %;
T
A
= 0 to 70 C
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
WRL
WRL
OFF
WTD
WTL
WTP
OAA
OBA
CAA
CBA
DS
DH
min.
30
50
0
0
15
10
5
6
Limit Values
typ.
171
max.
20
25
25
25
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Condition
t
operating parameters only
in memory write transfer
cycles. In that case
applies if the write transfer
from shifter C to latch C
occurs before the rising
edge of RE. Otherwise
t
See diagram 4
See WT to RE lead time
t
at which the output
achieves the open-circuit
condition and is not
referenced to output
voltages levels.
See diagram 4
See diagram 4
See diagram 4
See diagram 2, 5
See diagram 3, 5
See diagram 2
See diagram 3
See diagram 5
See diagram 5
WRL
RWL
OFF
(max) defines the time
and
has to be satisfied.
t
WRL
SDA 9251-2X
are restrictive
t
WRL