IS45S16400E-7TLA1-TR ISSI, Integrated Silicon Solution Inc, IS45S16400E-7TLA1-TR Datasheet - Page 36

• Manufacturer Part Number: IS45S16400E-7TLA1-TR
• Description: IC SDRAM 64MBIT 143MHZ 54TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS45S16400E-7TLA1-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 64M (4M x 16)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 54-TSOP II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS45S16400E
POWER-DOWN MODE CYCLE
36
CAS latency = 2, 3
DQML, DQMH
Precharge all
active banks
COMMAND
A0-A9, A11
BA0, BA1
DQM/
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
Input buffers gated
CH
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
01/13/2010
Rev. F