nt1gt64uh8c0fn Nanya Techology, nt1gt64uh8c0fn Datasheet - Page 16

• 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
CASE
Symbol
t
t
t
LZ(DQS)
DQSCK
t
t
t
t
t
t
LZ(DQ)
t
t
t
t
= 0 ° C ~ 85 ° C; V
DQSQ
t
WPST
WPRE
t
t
DQSS
DQSH
DQSL
t
t
RPRE
t
t
DIPW
RPST
Delay
MRD
t
t
QHS
t
DSH
REFI
t
t
t
t
t
t
DSS
RFC
IPW
QH
t
t
AC
CH
HP
CK
DH
DS
HZ
CL
IH
IS
DQ output access time from CK/
DQS output access time from CK/
CK high-level width
CK low-level width
Minimum half clk period for any given cycle; defined
by clk high (t
Clock Cycle Time
DQ and DM input hold time
DQ and DM input setup time
Input pulse width
DQ and DM input pulse width (each input)
Data-out high-impedance time from CK/
Data-out low-impedance time from CK/
DQS low-impedance time from CK/
DQS-DQ skew (DQS & associated DQ signals)
Data hold Skew Factor
Data output hold time from DQS
Write command to 1st DQS latching transition
DQS input high pulse width
DQS input low pulse width
DQS falling edge to CK setup time
(write cycle)
DQS falling edge hold time from CK
(write cycle)
Mode register set command cycle time
Write postamble
Write preamble
Address and control input hold time
Address and control input setup time
Read preamble
Read postamble
Minimum time clocks remains ON after CKE
asynchronously drops Low
Refresh to active/Refresh command time
Average Periodic Refresh Interval
(85ºC < T
Average Periodic Refresh Interval
(0ºC
T
DDQ
CASE
CASE
= 1.8V
CH
85ºC)
)
or clk low (t
95ºC)
Parameter
0.1V; V
CL
DD
) time
= 1.8V
0.1V, See AC Characteristics) (Part 1 of 2)
16
t
t
0.375
IS
-0.45
-0.25
AC (min)
Min.
0.45
0.45
3.75
0.35
0.35
0.35
0.40
0.35
0.25
+ t
-0.5
225
100
2t
t
t
(min)
0.6
0.2
0.2
0.9
0.4
t
t
HP
QHS
or
+
CH
CL
2
-
-
-
AC
IH
t
-
127.5
-37B
CK
3.9
7.8
t
t
t
+0.45
AC (max)
AC (max)
AC (max)
Max.
+0.5
0.55
0.55
0.30
0.25
0.60
0.4
1.1
0.6
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NANYA reserves the right to change products and specifications without notice.
t
t
0.275
IS
-0.45
-0.25
AC (min)
Min.
0.48
0.48
0.35
0.35
0.35
0.40
0.35
+ t
-0.4
175
100
2t
t
t
0.6
(min)
0.2
0.2
0.2
0.9
0.4
t
t
HP
QHS
or
+
CH
CL
3
2
-
-
-
AC
IH
t
-
127.5
CK
-3C
3.9
7.8
t
t
t
+0.45
AC (max)
AC (max)
AC (max)
Max.
+0.4
0.52
0.52
0.24
0.34
0.25
0.60
1.1
0.6
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
t
t
0.250
0.175
IS
-0.40
-0.35
AC (min)
-0.25
Min.
0.48
0.48
0.35
0.35
0.35
0.40
0.35
2t
t
+ t
125
t
2.5
0.6
(min)
0.2
0.2
0.9
0.4
t
t
50
HP
QHS
or
+
© NANYA TECHNOLOGY CORPORATION
CH
2
CL
-
-
-
AC
IH
-AD/-AC
t
-
CK
127.5
3.9
7.8
t
t
t
+0.40
+0.35
AC (max)
AC (max)
AC (max)
Max.
0.52
0.52
0.20
0.30
0.25
0.60
1.1
0.6
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
ns
ns
t
t
t
ns
ps
ps
t
t
ns
ns
ns
ns
ns
ns
t
t
t
t
t
t
t
t
ns
ns
t
t
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
s
s
Notes