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S71GS256 Datasheet(PDF) 181 Page - SPANSION

Part # S71GS256
Description  128N based MCPs
PDF  195 Pages
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Manufacturer  SPANSION [SPANSION]
Direct Link  http://www.spansion.com
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S71GS256 Datasheet(HTML) 181 Page - SPANSION

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December 15, 2004 cellRAM_02_A0
CellularRAM-2A
181
Ad vance
Info rmat i o n
Table 67. Configuration Register Bit Mapping
Table 68. 64Mb Address Patterns for PAR (CR[4] = 1)
CR[2]
CR[1]
CR[0]
Active Section
Address Space
Size
Density
0
0
0
Full die
000000h–3FFFFFh
4 Meg x 16
64Mb
0
0
1
Three-quarters of die
000000h–2FFFFFh
3 Meg x 16
48Mb
0
1
0
One-half of die
000000h–1FFFFFh
2 Meg x 16
32Mb
0
1
1
One-quarter of die
000000h–0FFFFFh
1 Meg x 16
16Mb
1
0
0
None of die
0
0 Meg x 16
0Mb
1
0
1
Three-quarters of die
100000h–3FFFFFh
3 Meg x 16
48Mb
1
1
0
One-half of die
200000h–3FFFFFh
2 Meg x 16
32Mb
1
1
1
One-quarter of die
300000h–3FFFFFh
1 Meg x 16
16Mb
PAR
A4
A3
A2
A1
A0
Configuration
Register
Address Bus
4
1
2
3
0
RESERVED
6
5
A5
0
1
Sleep Mode
DPD Enabled
PAR Enabled (default)
CR[4]
TCR
CR[6] CR[5]
11
1
1
00
0
0
Maximum Case Temp.
+85 C (default)
+70 C
+45 C
+15 C
A6
21– 8
RESERVED
A[21:8]
CR[1]
0
0
1
1
CR[0]
0
1
0
1
PAR Refresh Coverage
Full array (default)
Bottom 3/4 array
Bottom 1/2 array
Bottom 1/4 array
CR[2]
0
0
0
0
00
1
01
1
1
0
1
11
1
None of array
Top 3/4 array
Top 1/2 array
Top 1/4 array
SLEEP
Must be set to "0"
All must be set to "0"
A7
7
PAGE
0
1
Page Mode Enable/Disable
Page Mode Disabled (default)
Page Mode Enabled
CR[7]



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