SDA9254-2 Infineon Technologies Corporation, SDA9254-2 Datasheet - Page 17

• 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
V
Parameter
Memory read or
write cycle time
RE low time
Serial port cycle
time
RE precharge time
Address setup time
Address hold time
SCAD to RE
set-up time
RE to SCAD
hold time
RE to RA or RB
delay time
RA or RB to RE
lead time
RA to SCA
RB to SCB
set-up time
RA or RB
pulse width
RA to SCA
RB to SCB
hold 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
t
RC
RE
SC
RP
AS
AH
ROS
ROH
RRD
RRL
RSS
RPW
RSH
min.
240
100
30
100
5
6
3
10
90
– 30
0
10
15
Limit Values
typ.
17
max.
100000 ns
100000 ns
100000 ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Condition
Operation with
ensures that 8-bit serial
data are shifted out within
one RE cycle taking
t
See diagram 2, 3, 4, 6
See diagram 2, 3, 4, 6
See diagram 2 – 6
See diagram 2, 3, 4, 6
See diagram 2, 3, 4, 6
See diagram 2, 3, 4, 6
See diagram 2, 3, 4, 6
See diagram 2, 3, 4, 6
t
operating parameters only
in memory read transfer
cycles.
See diagram 2, 3
See RE to RA or RB delay
time.
See diagram 2, 3
See diagram 2, 3
See diagram 2, 3
See diagram 2, 3
SC
RRD
=
and
t
SCmin
t
RRL
.
SDA 9254-2
are restrictive
t
RC
1998-01-16
t
RCmin