IS42S16400D-7T ISSI, Integrated Silicon Solution Inc, IS42S16400D-7T Datasheet - Page 37
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IS42S16400D-7T
Manufacturer Part Number
IS42S16400D-7T
Description
IC SDRAM 64MBIT 143MHZ 54TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS42S16400D-7TL.pdf
(57 pages)
Specifications of IS42S16400D-7T
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
0°C ~ 70°C
Package / Case
54-TSOP II
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S16400D-7TL
Manufacturer:
ISSI
Quantity:
1 000
Company:
Part Number:
IS42S16400D-7TL
Manufacturer:
ISSI
Quantity:
504
Part Number:
IS42S16400D-7TL
Manufacturer:
ISSI
Quantity:
20 000
Part Number:
IS42S16400D-7TLI
Manufacturer:
ISSI
Quantity:
20 000
IS42S16400D
POWER-DOWN MODE CYCLE
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
11/21/07
CAS latency = 2, 3
DQML, DQMH
active banks
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
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
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
37