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AS4SD16M16 Datasheet(PDF) 39 Page - Austin Semiconductor

Part # AS4SD16M16
Description  256 MB: 16 Meg x 16 SDRAM Synchronous DRAM Memory
PDF  51 Pages
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Manufacturer  AUSTIN [Austin Semiconductor]
Direct Link  http://www.austinsemiconductor.com
Logo AUSTIN - Austin Semiconductor

AS4SD16M16 Datasheet(HTML) 39 Page - Austin Semiconductor

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SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
AS4SD16M16
Austin Semiconductor, Inc.
AS4SD16M16
Rev. 1.0 11/02
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
39
SINGLE READ - WITH AUTO PRECHARGE1
*CAS latency indicated in parentheses.
NOTES:
1. For this example, the burst length = 1, the CAS latency = 2.
2. A9, A11, and A12 = “Don’t Care”
3. READ command not allowed else t
RAS
would be violated.
TIMING PARAMETERS
MIN
MAX
MIN
MAX
tAC(3)
5.4
ns
tCMH
0.8
ns
tAC(2)
6
ns
tCMS
1.5
ns
tAH
0.8
ns
tHZ(3)
5.4
ns
tAS
1.5
ns
tHZ(2)
6ns
tCH
2.5
ns
tLZ
1ns
tCL
2.5
ns
tOH
3ns
tCK(3)
7.5
ns
tRAS
44
80,000
ns
tCK(2)
10
ns
tRC
66
ns
tCKH
0.8
ns
tRCD
20
ns
tCKS
1.5
ns
tRP
20
ns
-75
UNITS
-75
SYMBOL*
UNITS
SYMBOL*



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