IS42S16800B-6TI ISSI, Integrated Silicon Solution Inc, IS42S16800B-6TI Datasheet - Page 47

• Manufacturer Part Number: IS42S16800B-6TI
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800B-6TI

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 5.4ns
• Maximum Clock Rate: 167MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 180mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Not Compliant

Integrated Silicon Solution, Inc. — www.issi.com —
Rev. G
06/11/09
POWER-DOWN MODE CYClE
IS42S81600B, IS42S16800B
DQM/DQML
active banks
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
DQMH
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
t
CMH
AH
Two clock cycles
t
CK
NOP
T1
t
t
CL
CKS
NOP
T2
t
1-800-379-4774
CH
Input buffers gated
power-down mode
off while in
Exit power-down mode
t
CKS
Tn+1
NOP
All banks idle
ACTIVE
BANK
ROW
ROW
Tn+2
DON'T CARE
47