IS42S16160B-7BL ISSI, Integrated Silicon Solution Inc, IS42S16160B-7BL Datasheet - Page 35

• Manufacturer Part Number: IS42S16160B-7BL
• Description: IC SDRAM 256MBIT 143MHZ 54BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S16160B-7BL

• Package / Case: 54-BGA
• Memory Size: 256M (16Mx16)
• Format - Memory: RAM
• Memory Type: SDRAM
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 143 MHz
• Access Time: 6.5 ns, 5.4 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 130 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 706-1017

IS42S83200B,
Notes:
1) CAS latency = 2, Burst Length = Full Page
2) x16: A9, A11, and A12 = "Don't Care"
3) x8: Each row has 1,024 locations.
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
07/28/08
READ - FULL-PAGE BURST
A0-A9, A11, A12
DQML, DQMH
x8: A11 and A12 = "Don't Care"
COMMAND
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
IS42S16160B
t
CK
t
RCD
T1
NOP
t
t
CMS
CL
COLUMN m
BANK
READ
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
t
AC
NOP
T4
D
OUT
t
OH
m
each row (x16) has
512 locations
t
AC
NOP
T5
D
OUT
t
OH
m+
(3)
t
1
AC
Full page
completion
NOP
T6
D
OUT
t
t
OH
m+
AC
Full-page burst not self-terminating.
Use BURST TERMINATE command.
2
Tn+1
NOP
D
OUT
t
OH
m-
t
1
AC
BURST TERM
Tn+2
D
OUT
t
OH
m
t
AC
Tn+3
NOP
D
OUT
t
DON'T CARE
UNDEFINED
OH
m+
t
HZ
1
Tn+4
NOP
35