IS42S16160B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S16160B-7BL Datasheet - Page 35

• Manufacturer Part Number: IS42S16160B-7BL
• Description: IC, SDRAM, 256MBIT, 143MHZ, TSOP-54
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S16160B-7BL

• Memory Type: DRAM - Sychronous
• Memory Configuration: 8M X 4
• Access Time: 7ns
• Page Size: 256Mbit
• Ic Interface Type: Parallel
• Memory Case Style: TSOP
• No. Of Pins: 54
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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