is42s16160a1-7t Integrated Silicon Solution, Inc., is42s16160a1-7t Datasheet - Page 31

• Manufacturer Part Number: is42s16160a1-7t
• Description: 256 Mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S83200A1
IS42S16160A1
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. B
10/28/05
AC TIMING REQUIREMENTS
(Ta=0 - 70˚C, Vdd=VddQ=3.3±0.3V,Vss=VssQ=0V, unless otherwise noted)
Input Pulse Levels:0.8V-2.0V
Input Timing Measurement Level:1.4V
Symbol
tRCD
tRRD
tCLK
tRAS
tRSC
tREF
tWR
tRFC
tCH
tRC
tRP
tCL
tIS
tIH
tT
DQ
CLK
Refresh Cycle Time
CLK cycle time
CLK High pulse width
CLK Low pulse width
Transition time of CLK
Input Setup time
Input Hold time
Row Cycle time
Row to Column Delay
Row Active time
Row Precharge time
Write Recovery time
Act to Act Delay time
Mode Register Set Cycle time
Refresh Interval time
(4-bank x 8,388,608 - word x 8-bit)
(4-bank x 4,194,304 - word x 16-bit)
Parameter
(all inputs)
(all inputs)
CL=2
CL=3
Min.
6
2
1
1.8
1
-
2
60
60
15
42
15
12
12
12
-6
Max.
120K
7.8
10
Min.
2.5
1
2.5
1.8
70
45
7
20
20
14
14
14
63
-
1
1.4V
1.4V
Limits
-7
Max.
120K
10
7.8
Min.
67.5
1.8
1
75
20
45
2.5
2.5
20
15
15
15
7.5
10
1
-75
Any AC timing is referenced
to the input signal passing
through 1.4V.
Max.
120K
10
7.8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
ISSI
31
®