IS42S32400E-7BI ISSI, IS42S32400E-7BI Datasheet - Page 33

• Manufacturer Part Number: IS42S32400E-7BI
• Description: DRAM 128M (4Mx32) 143MHz Industrial Temp
• Manufacturer: ISSI

Specifications of IS42S32400E-7BI

• Product Category: DRAM
• Factory Pack Quantity: 240

IS42S32400E, IS45S32400E
Notes:
1) CAS latency = 2, Burst Length = 4
2) x32: A8, A9, A11 = "Don't Care"
Integrated Silicon Solution, Inc. - www.issi.com
Rev. E
10/28/10
ALTERNATING BANK READ ACCESSES
DQM0 - DQM3
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
BANK 0
AS
AS
AS
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
t
RCD
RRD
RAS
RC
t
CK
- BANK 0
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
COLUMN m
BANK 0
READ
T2
t
CMH
t
CH
(2)
CAS Latency - BANK 0
T3
NOP
t
LZ
t
AC
BANK 3
ACTIVE
ROW
ROW
T4
D
OUT
t
OH
m
t
AC
t
RCD
- BANK 3
ENABLE AUTO PRECHARGE
T5
D
NOP
OUT
t
OH
m+
t
1
AC
COLUMN b
BANK 3
READ
T6
D
OUT
t
OH
m+
t
(2)
RP
t
2
AC
CAS Latency - BANK 3
- BANK 0
T7
D
NOP
OUT
t
OH
m+
t
3
AC
BANK 0
ACTIVE
ROW
T8
ROW
DON'T CARE
D
OUT
t
OH
b
t
RCD
t
AC
- BANK 0
33