IS42S81600D-7TL ISSI, Integrated Silicon Solution Inc, IS42S81600D-7TL Datasheet - Page 23

• Manufacturer Part Number: IS42S81600D-7TL
• Description: IC SDRAM 128MBIT 143MHZ 54TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S81600D-7TL

• Package / Case: 54-TSOP II
• Memory Size: 128M (16M x 8)
• Format - Memory: RAM
• Memory Type: SDRAM
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 143 MHz
• Access Time: 6.5 ns, 5.4 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 120 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 706-1026

IS42S81600D,
SELF-REFRESH CYCLE
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
active banks
Precharge all
DQM/
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
AS
BANK
IS42S16800D
T0
t
t
CKH
t
CMH
AH
t
CK
refresh mode
NOP
t
RP
Enter self
T1
t
CH
t
t
CL
CKS
Refresh
Auto
T2
CLK stable prior to exiting
self refresh mode
t
RAS
(Restart refresh time base)
Exit self refresh mode
Tn+1
NOP
t
NOP
CKS
t
SRX
To+1
To+2
Refresh
Auto
DON'T CARE
23