IS42S16800D-7B ISSI, Integrated Silicon Solution Inc, IS42S16800D-7B Datasheet - Page 48

• Manufacturer Part Number: IS42S16800D-7B
• Description: IC SDRAM 128MBIT 143MHZ 54BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800D-7B

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 54-BGA
• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 130mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S81600D,
48
POWER-DOWN MODE CYCLE
active banks
DQM/DQML
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
DQMH
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
IS42S16800D
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
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
07/28/08
Rev. E