SDA9254-2 Infineon Technologies Corporation, SDA9254-2 Datasheet - Page 18

• 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

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
Access time from
SCA
Access time from
SCB
Data input set-up
time to SCB
Data input hold time
to SCB
OEDLO to output
DLO access time
Semiconductor Group
DD
= 5 V
10 %;
T
A
= 0 to 70 C
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
WRL
RWL
OFF
WTD
WTL
WTP
OAA
CAA
CBA
DS
DH
ODA
min.
30
50
0
0
15
10
5
6
Limit Values
typ.
18
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
has to be satisfied.
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 2
See diagram 3, 7
See diagram 5, 7
See diagram 5, 7
See diagram 7
WRL
OFF
(max) defines the time
and
t
RWL
SDA 9254-2
are restrictive
1998-01-16
t
WRL
t
RWL