preliminary Data Sheet
SERIAL PRESENCE-DETECT MATRIX
Rev.0.9
15.11.2011
Byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Byte Description
CRC RANGE, EEPROM BYTES, BYTES USED
SPD REVISON
DRAM DEVICE TYPE
MODULE TYPE (FORM FACTOR)
SDRAM DEVICE DENSITY & BANKS
SDRAM DEVICE ROW & COLUMN COUNT
BYTE 6 RESERVED
MODULE RANKS & DEVICE DQ COUNT
ECC TAG & MODULE MEMORY BUS WIDTH
FINE TIMEBASE DIVIDEND/DIVISOR
MEDIUM TIMEBASE DIVIDEND
MEDIUM TIMEBASE DIVISOR
MIN SDRAM CYCLE TIME (t CK MIN )
BYTE 13 RESERVED
CAS LATENCIES SUPPORTED (CL4 => CL11)
CAS LATENCIES SUPPORTED (CL12 => CL18)
MIN CAS LATENCY TIME (t AA MIN )
MIN WRITE RECOVERY TIME (t WR MIN )
MIN RAS# TO CAS# DELAY (t RCD MIN )
MIN ROW ACTIVE TO ROW ACTIVE DELAY (T RRD MIN )
MIN ROW PRECHARGE DELAY (t RP MIN )
UPPER NIBBLE FOR t RAS & t RC
MIN ACTIVE TO PRECHARGE DELAY (t RAS MIN )
MIN ACTIVE TO ACTIVE/REFRESH DELAY (t RC MIN )
MIN REFRESH RECOVERY DELAY (t RFC MIN ) LSB
MIN REFRESH RECOVERY DELAY (t RFC MIN ) MSB
MIN INTERNAL WRITE TO READ CMD DELAY (t WTR MIN )
MIN INTERNAL READ TO PRECHARGE CMD DELAY
(t RTP MIN )
MIN FOUR ACTIVE WINDOW DELAY (t FAW MIN ) MSB
MIN FOUR ACTIVE WINDOW DELAY (t FAW MIN ) LSB
SDRAM DEVICE OUTPUT DRIVERS SUPPORTED
SDRAM DEVICE THERMAL & REFRESH OPTIONS
12800-11-11-11
0x0A
0xFE
0x30
0x18
0x81
0x92
0x11
0x0B
0x03
0x04
0x21
0x00
0x09
0x03
0x52
0x01
0x08
0x00
0x00
0x69
0x78
0x69
0x69
0x11
0x20
0x08
0x3C
0x3C
0x00
0xF0
0x83
0x01
10600-9-9-9
0x0F
0x1C
0x3C
0x2C
0x95
Swissbit AG
Industriestrasse 4
CH – 9552 Bronschhofen
Fon: +41 (0) 71 913 03 03
Fax: +41 (0) 71 913 03 15
www.swissbit.com
eMail: info@swissbit.com
Page 13
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