IS42S16160A-6T ISSI, Integrated Silicon Solution Inc, IS42S16160A-6T Datasheet - Page 28

• Manufacturer Part Number: IS42S16160A-6T
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16160A-6T

• Organization: 16Mx16
• Density: 256Mb
• Address Bus: 15b
• Access Time (max): 5ns
• Maximum Clock Rate: 167MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 160mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

IS42S83200A
IS42S16160A
28
DQM CONTROL
DQM is a dual function signal defined as the data mask
for writes and the output disable for reads. During writes,
DQM(U,L) masks input data word by word. DQM(U,L)
Command
DQMU/L
CLK
DQ
(4-bank x 8,388,608 - word x 8-bit)
(4-bank x 4,194,304 - word x 16-bit)
Write
D0
masked by DQMU/L=H
D2
D3
DQM Function
Read
to write mask latency is 0. During reads, DQM(U,L)
forces output to Hi-Z word by word. DQM(U,L) to output
Hi-Z latency is 2.
Integrated Silicon Solution, Inc. — 1-800-379-4774
Q0
disabled by DQMU/L=H
Q1
Q3
ISSI
11/01/05
Rev. D
®