SSTUB32865 NXP Semiconductors, SSTUB32865 Datasheet - Page 8

• Manufacturer Part Number: SSTUB32865
• Description: Sstub32865 1.8 V 28-bit 1 2 Registered Buffer With Parity For Ddr2-800 Rdimm Applications
• Manufacturer: NXP Semiconductors

NXP Semiconductors
7. Functional description
Table 4.
[1]
[2]
Table 5.
SSTUB32865_3
Product data sheet
RESET DCS0
RESET
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
Q
DCS2 and DCS3 operate identically to DCS0 and DCS1, except they do not have corresponding re-driven (QCS) outputs.
H
H
H
H
H
H
H
H
H
H
L
0
is the previous state of the associated output.
floating
Function table (each flip-flop)
Parity and standby function table
X or
X or floating
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
DCS0
[2]
7.1 Function table
H
H
H
H
H
X
L
L
L
L
DCS1
floating
[1]
X or
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
[2]
X or floating
DCS1
CSGATEEN
X or floating
H
H
H
H
H
X
L
L
L
L
[1]
X
X
X
X
X
X
X
X
X
H
H
H
L
L
L
Inputs
X or floating
L or H
floating
L or H
L or H
L or H
L or H
L or H
CK
X or
CK
Inputs
Rev. 03 — 27 March 2007
floating
L or H
L or H
L or H
L or H
L or H
X or floating
X or
CK
L or H
CK
Dn, DODTn, DCKEn
X or floating
1.8 V DDR2-800 registered buffer with parity
(D0 to D21)
X or floating
of inputs = H
H
X
H
X
H
X
H
X
H
X
L
L
L
L
L
even
even
even
even
odd
odd
odd
odd
X
X
Qn
Q
Q
Q
Q
Q
Q
Q
H
H
H
H
L
L
L
L
L
0
0
0
0
0
0
0
SSTUB32865
X or floating
PARIN
QCS0
H
H
H
H
L
L
L
L
X
X
Q
Q
Q
Q
Q
H
H
H
H
H
H
L
L
L
L
L
0
0
0
0
0
Outputs
[2]
© NXP B.V. 2007. All rights reserved.
QCS1 QODTn,
Q
Q
Q
Q
Q
H
H
H
H
H
H
L
L
L
L
L
PTYERR
0
0
0
0
0
[1]
PTYERR
PTYERR
Output
H
H
H
H
H
QCKEn
L
L
L
L
Q
Q
Q
Q
Q
H
H
H
H
H
[3][4]
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L
L
L
L
L
L
0
0
0
0
0
0
0