IS42S16400D-7BL ISSI, Integrated Silicon Solution Inc, IS42S16400D-7BL Datasheet - Page 26

• Manufacturer Part Number: IS42S16400D-7BL
• Description: IC SDRAM 64MBIT 143MHZ 60BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16400D-7BL

• 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: 60-BGA
• Organization: 4Mx16
• Density: 64Mb
• Address Bus: 14b
• Access Time (max): 6/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 110mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S16400D
READ to PRECHARGE
26
COMMAND
COMMAND
ADDRESS
ADDRESS
CLK
CLK
DQ
DQ
BANK a,
T0
READ
T0
READ
COL n
BANK,
COL n
CAS Latency - 2
CAS Latency - 3
T1
T1
NOP
NOP
T2
T2
NOP
NOP
D
OUT
n
T3
T3
NOP
D
NOP
D
OUT
OUT
n+1
n
PRECHARGE
PRECHARGE
Integrated Silicon Solution, Inc. — www.issi.com
T4
(a or all)
T4
BANK,
COL b
BANK
D
D
OUT
OUT
x = 1 cycle
n+2
n+1
x = 2 cycles
T5
T5
NOP
D
NOP
D
OUT
OUT
n+3
n+2
t
t
RP
RP
T6
T6
NOP
NOP
D
OUT
n+3
DON'T CARE
ACTIVE
DON'T CARE
ACTIVE
BANK a,
BANK a,
T7
T7
ROW
ROW
11/21/07
Rev. E