mt18htf25672pdy Micron Semiconductor Products, mt18htf25672pdy Datasheet - Page 19

• Manufacturer Part Number: mt18htf25672pdy
• Description: Ddr2 Sdram Rdimm
• Manufacturer: Micron Semiconductor Products

Register and PLL Specifications
Table 14: Register Specifications
SSTU32866 devices or equivalent
PDF: 09005aef80e935cd
htf18c64_128_256x72pdy.pdf - Rev. F 3/10 EN
Parameter
DC high-level
input voltage
DC low-level
input voltage
AC high-level
input voltage
AC low-level
input voltage
Output high
voltage
Output low voltage
Input current
Static standby
Static operating
Dynamic operating
(clock tree)
Dynamic operating
(per each input)
Input capacitance
(per device, per pin)
Input capacitance
(per device, per pin)
Symbol
Note:
V
V
V
V
I
I
V
IH(DC)
IH(AC)
V
IL(DC)
IL(AC)
I
I
DDD
DDD
C
C
DD
DD
OH
I
OL
IN
IN
I
1. Timing and switching specifications for the register listed are critical for proper opera-
512MB, 1GB, 2GB (x72, ECC, DR) 240-Pin DDR2 SDRAM RDIMM
Control, command,
Control, command,
Control, command,
Control, command,
tion of the DDR2 SDRAM RDIMMs. These are meant to be a subset of the parameters for
the specific device used on the module. Detailed information for this register is available
in JEDEC standard JESD82.
All inputs except
Parity output
Parity output
address
address
address
address
All pins
All pins
All pins
RESET#
RESET#
Pins
N/A
N/A
I
V
RESET# = V
O
switching at
switching 50% duty cy-
I
RESET# = V
V
= 0; CK and CK# switch-
= V
cle; One data in/out
ing 50% duty cycle
V
I
= V
I
V
or V
V
RESET# = V
RESET# = V
0; CK and CK#
19
IH(AC)
= V
I
I
Condition
V
duty cycle
= V
= V
IH(DC)
LVCMOS
LVCMOS
SSTL_18
SSTL_18
SSTL_18
SSTL_18
DD
REF
IL(DC)
DD
DD
SS
or V
= 1.8V
±250mV;
; V
SSQ
or V
t
or V
or V
CK/2, 50%
I
o
IL(DC)
I
Micron Technology, Inc. reserves the right to change products or specifications without notice.
(I
= 0
DD
DD
= V
IL(AC)
o
SS
SS
;
;
= 0)
IH(AC)
, I
O
,
Register and PLL Specifications
=
manufacturer
V
V
REF(DC)
REF(DC)
Varies by
Min
1.2
2.5
–5
0
–
–
–
–
–
–
+ 125
+ 250
© 2003 Micron Technology, Inc. All rights reserved.
manufacturer
manufacturer
manufacturer
V
V
V
REF(DC)
REF(DC)
Varies by
Varies by
Varies by
DDQ
Max
100
0.5
0.5
3.5
5
–
–
+ 250
- 125
- 250
Units
mV
mV
mV
mV
mA
mA
µA
µA
µA
pF
pF
V
V