nt1gt64uh8c0fn Nanya Techology, nt1gt64uh8c0fn Datasheet - Page 17

• Manufacturer Part Number: nt1gt64uh8c0fn
• Description: Based On Ddr2-533/667/800 64mx16 1gb /128mx8 2gb Sdram C-die
• Manufacturer: Nanya Techology

NT1GT64UH8C0FN / NT2GT64U8HC0BN
1GB: 128M x 64 / 2GB: 256M x 64
PC2-4200 / PC2-5300 / PC2-6400
Unbuffered DDR2 SO-DIMM
AC Timing Specifications for DDR2 SDRAM Devices Used on Module
(T
REV 1.1
02/2008
Symbol
CASE
t
t
RCD
t
RAS
t
Symbol
RC
RP
t
t
t
t
AONPD
t
t
t
XARDS
t
AOFPD
t
t
t
= 0 ° C ~ 85 ° C; V
t
t
t
XSNR
XSRD
XARD
t
AOND
t
AOFD
t
ANPD
AXPD
t
t
WR
WTR
t
RRD
CCD
AON
AOF
DAL
RTP
t
CKE
WR
OIT
XP
Row Active Time
RAS to CAS delay
Row Cycle Time
Row Precharge Time
Active bank A to Active bank B command
Write recovery time
Write recovery time with Auto-Precharge
Auto precharge write recovery + precharge time
Internal write to read command delay
Internal read to precharge command delay
Exit self refresh to a Non-read command
Exit self refresh to a Read command
Exit precharge power down to any Non- read
command
Exit active power down to read command
Exit active power down to read command
CKE minimum pulse width
OCD drive mode output delay
ODT turn-on delay
ODT turn-on
ODT turn-on (Power down mode)
ODT turn-off delay
ODT turn-off
ODT turn-off (Power down mode)
ODT to power down entry latency
ODT power down exit latency
to
DDQ
= 1.8V
Parameter
Parameter
0.1V; V
DD
= 1.8V
0.1V, See AC Characteristics) (Part 2 of 2)
Speed Grade Definition
ODT
17
Min.
45
15
60
15
t
t
t
t
Min.
6-AL
AC(min)
AC(min)
AC(min)
AC(min)
+t
WR
t
+10
200
7.5
7.5
7.5
2.5
15
+2
+2
-37B
RFC
2
2
2
3
0
2
3
8
RP
t
WR
-37B
70000
Max.
/t
2.5t
-
-
-
CK
t
t
t
t
2t
Max.
AC(max)
AC(max)
AC(max)
AC(max)
+0.6
+0.7
2.5
12
+1
+1
CK
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CK
+
NANYA reserves the right to change products and specifications without notice.
Min.
+
45
15
60
15
t
t
t
t
7-AL
Min.
AC(min)
AC(min)
AC(min)
AC(min)
WR
+t
+10
200
t
7.5
7.5
7.5
2.5
-3C
15
+2
+2
RFC
2
2
2
3
0
2
3
8
RP
t
70000
WR
Max.
-3C
/t
-
-
-
2.5t
CK
t
t
t
t
2t
Max.
AC(max)
AC(max)
AC(max)
AC(max)
+0.6
+0.7
2.5
12
+1
+1
CK
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CK
+
Min.
+
45
15
60
15
t
t
t
t
-AD
© NANYA TECHNOLOGY CORPORATION
Min.
8-AL
AC(min)
AC(min)
AC(min)
AC(min)
WR
+t
+10
t
200
7.5
7.5
7.5
2.5
+2
+2
15
RFC
2
2
2
3
0
2
3
8
-AD/-AC
RP
70000
Max.
t
WR
-
-
-
/t
2.5t
CK
t
t
t
t
2t
Max.
AC(max)
AC(max)
AC(max)
AC(max)
+0.6
+0.7
2.5
+1
+1
12
CK
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CK
Min.
12.5
57.5
12.5
+
45
+
Unit
-AC
ns
t
ns
ns
t
ns
ns
ns
t
t
t
t
t
ns
t
ns
ns
t
ns
ns
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
70000
Max.
-
-
-
Notes
Unit
ns
ns
ns
ns