IS42S16160D-6BI ISSI, Integrated Silicon Solution Inc, IS42S16160D-6BI Datasheet - Page 36

• Manufacturer Part Number: IS42S16160D-6BI
• Description: IC SDRAM 256MBIT 166MHZ 54BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S16160D-6BI

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (16Mx16)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 54-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S83200D, IS42S16160D
36
READ - DQM OPERATION
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
A0-A9, A11, A12
x8: A11 and A12 = "Don't Care"
DQML, DQMH
COMMAND
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
ACTIVE
t
t
t
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
COLUMN m
READ
BANK
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
t
AC
NOP
T4
D
OUT
t
OH
t
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HZ
m
NOP
T5
t
LZ
t
AC
NOP
D
T6
OUT
t
OH
m+
t
AC
2
DON'T CARE
UNDEFINED
NOP
T7
D
OUT
t
OH
m+
t
HZ
3
NOP
T8
Rev. 00D
12/12/07