IS42S16400D-6T ISSI, Integrated Silicon Solution Inc, IS42S16400D-6T Datasheet - Page 36
![no-image](/images/manufacturer_photos/0/3/347/issi__integrated_silicon_solution_inc_sml.jpg)
IS42S16400D-6T
Manufacturer Part Number
IS42S16400D-6T
Description
IC SDRAM 64MBIT 166MHZ 54TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS42S16400D-7TL.pdf
(57 pages)
Specifications of IS42S16400D-6T
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
64M (4M x 16)
Speed
166MHz
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-6TL
Manufacturer:
ISSI
Quantity:
300
Company:
Part Number:
IS42S16400D-6TL
Manufacturer:
Hynix
Quantity:
333
IS42S16400D
INITIALIZE AND LOAD MODE REGISTER
36
DQML, DQMH
Notes:
1. If CS is High at clock High time, all commands applied are NOP.
2. The Mode register may be loaded prior to the Auto-Refresh cycles if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after the command is issued.
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
CKS
CMH
NOP
T0
T
t
t
CKH
CMS
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMH
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMS
t
RP
t
CMH
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMS
t
CH
At least 2 Auto-Refresh Commands
NOP
t
RC
(1)
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
Integrated Silicon Solution, Inc. — www.issi.com
NOP
t
RC
t
t
Load MODE
REGISTER
AS
AS
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
AH
AH
Tp+2
t
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
(2, 3, 4)
11/21/07
Rev. E