SDA9254-2 Infineon Technologies Corporation, SDA9254-2 Datasheet - Page 19

• 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
Refresh period
Transition time
(rise/fall)
L-serial clock time
H-serial clock time
Hold time from SCA
Hold time from SCB
Input capacitance
(SCA, SCB)
Input capacitance
(all other pins)
Output capacitance
(SQA 0-11,
DLO 0 ... 3)
Semiconductor Group
DD
= 5 V
10 %;
T
A
= 0 to 70 C
Symbol
t
t
t
t
t
t
C
C
C
REF
T
SCL
SCH
CAH
CBH
I 1
I 2
Q
min.
2
10
10
6
6
Limit Values
typ.
19
max.
16
10
7
5
7
Unit
ms
ns
ns
ns
ns
ns
pF
pF
pF
Test Condition
Either 256 refresh cycles or
read/write cycles on 212
consecutive row addresses
have to be performed
within the 16 ms interval to
maintain data
Transition times are
measured between
V
See diagram 1
See diagram 2
See diagram 2
See diagram 2
See diagram 3, 7
f
f
f
= 1 MHz
= 1 MHz
= 1 MHz
IL
.
SDA 9254-2
1998-01-16
V
IH
and