IS42S16160D-75EBL-TR ISSI, Integrated Silicon Solution Inc, IS42S16160D-75EBL-TR Datasheet - Page 46
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IS42S16160D-75EBL-TR
Manufacturer Part Number
IS42S16160D-75EBL-TR
Description
IC SDRAM 256MBIT 133MHZ 54BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S16160D-7TL.pdf
(64 pages)
Specifications of IS42S16160D-75EBL-TR
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
256M (16Mx16)
Speed
133MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
54-BGA
Organization
16Mx16
Density
256Mb
Address Bus
15b
Access Time (max)
5.5ns
Maximum Clock Rate
133MHz
Operating Supply Voltage (typ)
3.3V
Package Type
TFBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
180mA
Pin Count
54
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S16160D-75EBL-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
IS42S83200D, IS42S16160D
IS45S83200D, IS45S16160D
46
CLOCK SUSPEND
Clock suspend mode occurs when a column access/burst
is in progress and CKE is registered LOW. In the clock
suspend mode, the internal clock is deactivated, “freezing”
the synchronous logic.
For each positive clock edge on which CKE is sampled
LOW, the next internal positive clock edge is suspended.
Any command or data present on the input pins at the time
Clock Suspend During WRITE Burst
Clock Suspend During READ Burst
COMMAND
INTERNAL
ADDRESS
CLOCK
INTERNAL
COMMAND
CKE
ADDRESS
CLK
DQ
CLOCK
CKE
CLK
DQ
READ
BANK a,
COL n
T0
NOP
T0
NOP
T1
WRITE
BANK a,
COL n
D
T1
IN
n
NOP
T2
D
OUT
T2
n
of a suspended internal clock edge is ignored; any data
present on the DQ pins remains driven; and burst counters
are not incremented, as long as the clock is suspended.
(See following examples.)
Clock suspend mode is exited by registering CKE HIGH;
the internal clock and related operation will resume on the
subsequent positive clock edge.
T3
D
Integrated Silicon Solution, Inc. — www.issi.com
T3
OUT
n+1
NOP
T4
D
NOP
IN
T4
n+1
NOP
D
T5
OUT
D
DON'T CARE
n+2
NOP
IN
T5
n+2
DON'T CARE
NOP
D
T6
OUT
n+3
04/05/2010
Rev. D