ICSSSTUB32871A Datasheet, PDF (10/18 Pages) Integrated Circuit Systems – 27-Bit Registered Buffer for DDR2

ICSSSTUB32871A
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Notes:
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 2.5V
1. The input and output negative voltage
Input Voltage^1, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage^1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-0.5V to VDD +2.5V
-0.5V to VDDQ + 0.5V _2.
ratings may be excluded if the input
and output clamp ratings are observed.
This value is limited to 2.5V maximum.
Input Clamp Current . . . . . . . . . . . . . . . . . . . . ±50 mA
3. The package thermal impedance is
Output Clamp Current . . . . . . . . . . . . . . . . . . . ±50mA
Continuous Output Current . . . . . . . . . . . . . . . ±50mA
calculated in accordance with
JESD 51.
VDD or GND Current/Pin . . . . . . . . . . . . . . . . ±100mA
Package Thermal Impedance³ . . . . . . . . . . . . . . . 36°C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These
ratings are stress specifications only and functional operation of the device at these or any other conditions above those
listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect product reliability.
Recommended Operating Conditions
PARAMETER
DESCRIPTION
MIN
TYP
MAX
UNITS
V_DDQ
I/O Supply Voltage
1.7
1.8
1.9
V_REF
Reference Voltage
0.49 x V_DD 0.5 x V_DD 0.51 x V_DD
V_TT
Termination Voltage
V_REF - 0.04
V_REF
V_REF + 0.04
V_I
Input Voltage
0
V_DDQ
V_{IH (DC)}
DC Input High Voltage
V_REF + 0.125
V_{IH (AC)}
V_{IL (DC)}
AC Input High Voltage
DC Input Low Voltage
Data Inputs ^{VREF + 0.250}
V
V_REF - 0.125
V_{IL (AC)}
AC Input Low Voltage
V_REF - 0.250
V_IH
Input High Voltage Level
RESET
0.65 x V_DDQ
V_IL
Input Low Voltage Level
0.35 x V_DDQ
V_ICR
Common mode Input Range
CK, CK
V_ID
Differential Input Voltage
0.675
0.600
1.125
I_OH
High-Level Output Current
I_OL
Low-Level Output Current
-8
mA
8
T_A
Operating Free-Air Temperature
0
70
°C
1_{Guaranteed by design, not 100% tested in production.}
Note: Rst and Cn inputs must be helf at valid logic levels (not floating) to ensure proper device operation. The
differential inputs must not be floating unless Rst is low.
1186G—04/16/07
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