ICSSSTUAH32865A Datasheet, PDF (5/17 Pages) Integrated Device Technology – 25-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2

IDT74SSTUBH32865A
28-BIT 1:2 REGISTERED BUFFER FOR DDR2
COMMERCIAL TEMPERATURE GRADE
Function Table
Inputs¹
Outputs
RESET DCS0 DCS1 CSGate CLK CLK Dn,
Qn QCS0x QCS1x QODT,
EN
DODTn,
QCKE
DCKEn
H
L
L
X
↑
↓
L
L
L
L
L
H
L
L
X
↑
↓
H
H
L
L
H
H
L
L
X
L or H L or H
X
Q₀
Q₀
Q₀
Q₀
H
L
H
X
↑
↓
L
L
L
H
L
H
L
H
X
↑
↓
H
H
L
H
H
H
L
H
X
L or H L or H
X
Q₀
Q₀
Q₀
Q₀
H
H
L
X
↑
↓
L
L
H
L
L
H
H
L
X
↑
↓
H
H
H
L
H
H
H
L
X
L or H L or H
X
Q₀
Q₀
Q₀
Q₀
H
H
H
L
↑
↓
L
L
H
H
L
H
H
H
L
↑
↓
H
H
H
H
H
H
H
H
L
L or H L or H
X
Q₀
Q₀
Q₀
Q₀
H
H
H
H
↑
↓
L
Q₀
H
H
L
H
H
H
H
↑
↓
H
Q₀
H
H
H
H
H
H
H
L or H L or H
X
Q₀
Q₀
Q₀
Q₀
L
X or
X or
X or
X or X or
X or
L
L
L
L
Floating Floating Floating Floating Floating Floating
1 H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
↑ = LOW to HIGH
↓ = HIGH to LOW
28-BIT 1:2 REGISTERED BUFFER FOR DDR2
5
IDT74SSTUBH32865A 7103/10