IS42S16800A7TLTR ISSI, Integrated Silicon Solution Inc, IS42S16800A7TLTR Datasheet - Page 46

• Manufacturer Part Number: IS42S16800A7TLTR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800A7TLTR

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

IS42S16800A
46
POWER-DOWN MODE CYCLE
DQMH/DQM0-3
active banks
DQM/DQML
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
PRECHARGE
CMS
t
AS
BANK
T0
All banks idle, enter
power-down mode
t
t
CKH
CMH
t
AH
Two clock cycles
t
CK
NOP
T1
t
t
CL
CKS
NOP
T2
t
CH
Input buffers gated
power-down mode
off while in
Exit power-down mode
Integrated Silicon Solution, Inc. — www.issi.com
t
CKS
Tn+1
NOP
All banks idle
ACTIVE
BANK
ROW
ROW
Tn+2
DON'T CARE
06/01/07
Rev. A