nt1gt64u8hb0bn-3c Nanya Techology, nt1gt64u8hb0bn-3c Datasheet - Page 19

• Manufacturer Part Number: nt1gt64u8hb0bn-3c
• Description: Pc2-4200 / Pc2-5300 / Pc-6400 Unbuffered Ddr2 So-dimm
• Manufacturer: Nanya Techology

NT256T64UH4B0FN / NT512T64UH8B0FN / NT1GT64U8HB0BN
NT256T64UH4B0CN / NT512T64UH8B0CN / NT1GT64U8HB0AN
256MB: 32M x 64 / 512MB: 64M x 64 / 1GB: 128M x 64
PC2-4200 / PC2-5300 / PC-6400 Unbuffered DDR2 SO-DIMM
AC Timing Specifications for DDR2 SDRAM Devices Used on Module
(T
REV 1.2
08/2007
CASE
Symbol
t
t
t
LZ(DQS)
t
DQSCK
t
t
t
t
t
t
LZ(DQ)
t
t
t
DQSQ
t
WPRE
t
= 0 °C ~ 85 ° C; V
t
DQSS
DQSH
DQSL
t
t
WPST
RPRE
t
t
DIPW
RPST
Delay
t
t
QHS
t
MRD
REFI
t
t
t
t
t
t
DSS
DSH
RFC
IPW
t
t
AC
CH
HP
CK
DH
DS
QH
CL
HZ
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
(0º C B T
DDQ
CASE
CASE
= 1.8V
CH
B 85º C)
B 95ºC)
)
or clk low (t
Parameter
0.1V; V
CL
DD
) time
= 1.8V
0.1V, See AC Characteristics) (Part 1 of 2)
19
t
2t
0.375
t
IS
-0.45
-0.25
Min.
0.45
0.45
3.75
0.35
0.35
0.35
0.40
0.35
0.25
-0.5
AC min
t
+ t
225
100
t
0.6
0.2
0.2
0.9
0.4
AC min
t
t
HP
QHS
or
+
CH
CL
2
-
-
-
IH
t
-
CK
-37B
105
3.9
7.8
+0.45
t
t
t
Max.
+0.5
0.55
0.55
AC max
AC max
AC max
0.30
0.25
0.60
0.4
1.1
0.6
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NANYA reserves the right to change products and specifications without notice.
2t
t
0.275
-0.48 +0.52 -0.40 +0.40
t
-0.25
IS
Min.
0.48
0.48
0.35
0.35
0.35
0.40
0.35
-0.4
AC min
t
+ t
175
100
t
0.6
0.2
0.2
0.2
0.9
0.4
AC min
t
t
HP
QHS
or
+
CH
CL
3
2
-
-
-
IH
t
-
CK
-3C
105
3.9
7.8
t
t
t
Max.
+0.4
0.52
0.52
AC max
AC max
AC max
0.24
0.34
0.25
0.60
1.1
0.6
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2t
t
0.250
0.175
t
-0.35 +0.35
-0.25
IS
Min.
0.48
0.48
0.35
0.35
0.35
0.40
0.35
AC min
t
+ t
125
t
2.5
0.6
0.2
0.2
0.9
0.4
-25C/-25D
t
t
50
AC min
HP
QHS
© NANYA TECHNOLOGY CORPORATION
or
+
CH
CL
2
-
-
-
t
IH
-
CK
105
3.9
7.8
t
t
t
Max.
0.52
0.52
AC max
AC max
AC max
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
As
As
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Notes