IS42S16800D-6B ISSI, Integrated Silicon Solution Inc, IS42S16800D-6B Datasheet - Page 22

• Manufacturer Part Number: IS42S16800D-6B
• Description: IC SDRAM 128MBIT 166MHZ 54BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S16800D-6B

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 54-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S81600D,
AUTO-REFRESH CYCLE
22
Notes:
1. CAS latency = 2, 3
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
SINGLE BANK
t
ALL BANKS
t
PRECHARGE
CKS
CMS
t
High-Z
AS
BANK
T0
IS42S16800D
t
t
CKH
t
CMH
AH
(s)
t
CK
NOP
t
T1
RP
t
CL
Refresh
T2
Auto
t
CH
NOP
t
RC
Integrated Silicon Solution, Inc. — www.issi.com
Tn+1
Refresh
Auto
NOP
t
RC
ACTIVE
BANK
ROW
ROW
To+1
DON'T CARE
07/28/08
Rev. E