mt18htf25672pdy Micron Semiconductor Products, mt18htf25672pdy Datasheet - Page 20

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

Table 15: PLL Specifications
CU877 device or equivalent
Table 16: PLL Clock Driver Timing Requirements and Switching Characteristics
PDF: 09005aef80e935cd
htf18c64_128_256x72pdy.pdf - Rev. F 3/10 EN
Parameter
DC high-level
input voltage
DC low-level
input voltage
Input voltage (limits)
DC high-level
input voltage
DC low-level
input voltage
Input differential-pair
cross voltage
Input differential
voltage
Input differential
voltage
Input current
Output disabled
current
Static supply current
Dynamic supply
Input capacitance
Parameter
Stabilization time
Input clock slew rate
SSC modulation frequency
SSC clock input frequency deviation
PLL loop bandwidth (–3dB from unity gain)
Note:
Symbol
V
V
I
I
DDLD
ID(DC)
ID(AC)
V
V
V
V
I
C
V
V
ODL
DD
I
IH
IN
IH
IX
IN
IL
IL
I
1. PLL timing and switching specifications are critical for proper operation of the DDR2
512MB, 1GB, 2GB (x72, ECC, DR) 240-Pin DDR2 SDRAM RDIMM
DIMM. This is a subset of parameters for the specific PLL used. Detailed PLL information
is available in JEDEC standard JESD82.
RESET#, CK, CK#
Each input
CK, CK#
CK, CK#
CK, CK#
CK, CK#
CK, CK#
CK, CK#
RESET#
RESET#
RESET#
Pins
N/A
RESET# = V
outputs open (not con-
CK, CK# = 270 MHz, all
Differential input
Differential input
Differential input
Differential input
Differential input
CK = CK# = LOW
nected to PCB)
Symbol
V
V
V
20
I
I
I
Condition
slr(i)
= V
= V
= V
LVCMOS
LVCMOS
or V
t
–
–
–
L
DD
DD
DD
SS
–
IL(DC)
; V
or V
or V
or V
I
Micron Technology, Inc. reserves the right to change products or specifications without notice.
= V
SS
SS
SS
IH(AC)
Register and PLL Specifications
Min
1.0
0.0
2.0
30
(V
–
0.65 × V
0.65 × V
DDQ
–250
Min
–10
100
0.3
/2) - 0.15
0.3
0.6
2
–
–
–
–
DD
DD
© 2003 Micron Technology, Inc. All rights reserved.
Max
–0.5
4.0
15
33
(V
–
0.35 × V
0.35 × V
V
DD
V
V
DD
DD
DD
Max
/2) - 0.15
250
500
300
10
3
–
–
–
+ 0.3
- 0.4
- 0.4
DD
DD
Units
MHz
V/ns
kHz
μs
%
Units
mA
µA
µA
µA
µA
pF
V
V
V
V
V
V
V
V