HDD32M72B9 Datasheet, PDF (8/12 Pages) Hanbit Electronics Co.,Ltd – DDR SDRAM Module 256Mbyte (32Mx72bit), based on32Mx8,4Banks, 8K Ref., ECC Unbuffered SO-DIMM

HANBit
HDD32M72B9
AC CHARACTERISTICS (These AC charicteristics were tested on the Component)
PARAMETER
Row cycle time
Refresh row cycle time
Row active time
/RAS to /CAS delay
Row precharge time
Row active to Row active delay
Write recovery time
Last data in to Read command
Col. address to Col. address delay
Clock cycle time
CL=2.0
CL=2.5
Clock high level width
Clock low level width
DQS-out access time from CK/CK*
Output data access time from CK/CK*
Data strobe edge to ouput data edge
Read Preamble
Read Postamble
SYMBOL
tRC
tRFC
tRAS
tRCD
tRP
tRRD
tWR
tCDLR
tCCD
tCK
tCH
tCL
tDQSCK
tAC
tDQSQ
tRPRE
tRPST
DDR333
-16A
MIN MAX
60
72
42 70K
18
18
12
15
1
1
7.5
12
6
12
0.45 0.55
0.45 0.55
-0.6 +0.6
-0.7 +0.7
-
0.45
0.9 1.1
0.4 0.6
DDR266A
-13A
MIN MAX
65
75
45 ^120K
20
20
15
15
1
1
7.5
7.5
0.45
0.45
-0.75
-0.75
-
0.9
0.4
12
12
0.55
0.55
+0.75
+0.75
0.5
1.1
0.6
DDR266B
-13B
MIN MAX
UNIT NOTE
65
ns
75
ns
45 ^120K ns
20
ns
20
ns
15
ns
5
tCK
1
tCK
1
tCK
10
12
ns
5
7.5
12
ns
5
0.45 0.55 tCK
0.45 0.55 tCK
-0.75 +0.75 ns
-0.75 +0.75 ns
-
0.5 ns
5
0.9
1.1
tCK
0.4
0.6
tCK
CK to valid DQS-in
DQS-in setup time
DQS-in hold time
DQS-in falling edge to CK rising-setup time
DQS-in falling edge to CK rising hold time
DQS-in high level width
DQS-in low level width
DQS-in cycle time
Address and Control Input setup time(fast)
Address and Control Input hold time(fast)
Address and Control Input hold time(slow)
Address and Control Input hold time(slow)
Data-out high impedance time from CK/CK*
Data-out low impedance time from CK/CK*
Input Slew Rate(for input only pins)
URL : www.hbe.co.kr
REV 1.0 (July. 2003)
tDQSS
tWPRES
tWPREH
tDSS
tDSH
tDQSH
tDQSL
tDSC
tIS
tIH
tIS
tIH
tHZ
tLZ
tSL(I)
0.75
0
0.25
0.2
0.2
0.35
0.35
0.9
0.75
075
0.8
0.8
-0.7
-0.7
0.5
8
1.25
1.1
+0.7
+0.7
0.75 1.25 0.75 1.25 tCK
0
0
ns
2
0.25
0.25
tCK
0.2
0.2
tCK
0.2
0.2
tCK
0.35
0.35
tCK
0.35
0.35
tCK
0.9
1.1
0.9
1.1
tCK
0.9
0.9
ns
6
0.9
0.9
ns
6
10
1.0
ns
6
1.0
1.0
ns
6
-0.75 +0.75 -0.75 +0.75 ns
-0.75 +0.75 -0.75 +0.75 ns
0.5
0.5
V/ns 6
HANBit Electronics Co.,Ltd.