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参数资料
型号： NT1GT72U8PA0BE-3C
厂商： NANYA TECHNOLOGY CORP
元件分类： DRAM
英文描述： 128M X 72 DDR DRAM MODULE, 0.45 ns, DMA240
封装： ROHS COMPLIANT, DIMM-240
文件页数： 10/20页
文件大小： 396K
代理商： NT1GT72U8PA0BE-3C
NT512T72U89A5BD / NT512T72U89A2BN / NT512T72U89A0BE
NT1GT72U8PA3BD / NT1GT72U8PA2BN / NT1GT72U8PA0BE
Preliminary
NT2GT72U4NA1BD / NT2GT72U4NA1BN
512MB: 64Mx72 / 1GB: 128Mx72 / 2GB: 256Mx72
REV 0.6
18
02/27/2006
NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
AC Timing Specifications for DDR2 SDRAM Devices Used on Module
(TCASE = 0 °C ~ 85 °C; VDDQ = 1.8V ± 0.1V; VDD = 1.8V ± 0.1V, See AC Characteristics) (Part 2 of 2)
-4B
-3C
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit Notes
tCCD
to
2
-
2
-
tCK
tWR
Write recovery time
15
-
15
-
ns
WR
Write recovery time with Auto-Precharge
tWR/tCK
ns
tDAL
Auto precharge write recovery + precharge time
WR
+tRP
-
WR
+tRP
-
tCK
tWTR
Internal write to read command delay
7.5
-
7.5
-
ns
tRTP
Internal read to precharge command delay
7.5
ns
tXSNR
Exit self refresh to a Non-read command
tRFC
+10
tRFC
+10
ns
tXSRD
Exit self refresh to a Read command
200
tCK
tXP
Exit precharge power down to any Non- read
command
2
-
2
-
tCK
tXARD
Exit active power down to read command
2
-
2
-
tCK
tXARDS
Exit active power down to read command
6-AL
7-AL
tCK
tCKE
CKE minimum pulse width
3
tCK
tOIT
OCD drive mode output delay
0
12
0
12
ns
ODT
tAOND
ODT turn-on delay
2
tCK
tAON
ODT turn-on
tAC
(min)
tAC
(max)
+1
tAC(min) tAC(max)
+0.7
ns
tAONPD
ODT turn-on (Power down mode)
tAC(min)
+2
2tCK +
tAC(max)
+1
tAC(min)
+2
2tCK +
tAC(max)
+1
ns
tAOFD
ODT turn-off delay
2.5
tCK
tAOF
ODT turn-off
tAC(min) tAC(max)
+0.6 tAC(min)
tAC(max)
+0.6
ns
tAOFPD
ODT turn-off (Power down mode)
tAC(min)
+2
2.5tCK
+
tAC(max)
+1
tAC(min)
+2
2.5tCK
+
tAC(max)
+1
ns
tANPD
ODT to power down entry latency
3
tCK
tAXPD
ODT power down exit latency
8
tCK
Speed Grade Definition
tRAS
Row Active Time
45
70000
45
70000
ns
tRCD
RAS to CAS delay
15
-
15
-
ns
tRC
Row Cycle Time
60
-
60
-
ns
tRP
Row Precharge Time
15
-
15
-
ns
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