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ICSSSTUB32872A Datasheet Preview

ICSSSTUB32872A Datasheet

28-Bit Registered Buffer

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Integrated
Circuit
Systems, Inc.
ICSSSTUB32872A
Advance Information
28-Bit Registered Buffer for DDR2
Recommended Application:
Pin Configuration
• DDR2 Memory Modules
123 45 6
• Provides complete DDR DIMM solution with
ICS98ULPA877A, ICS97ULP877, or IDTCSPUA877A
A
B
• Optimized for DDR2 400/533/667 JEDEC 4 Rank
VLP DIMMS
C
D
Product Features:
• 28-bit 1:1 registered buffer with parity check
functionality
• Supports SSTL_18 JEDEC specification on data
inputs and outputs
• Supports LVCMOS switching levels on RESET input
• 50% more dynamic driver strength than standard
SSTU32864
• Low voltage operation
VDD = 1.7V to 1.9V
• Available in 96 BGA package
E
F
G
H
J
K
L
M
N
P
R
T
96 Ball BGA
(Top View)
Functionality Truth Table
In puts
Outputs
RESET DCS0 DCS1 CK
Dn,
CK DODTn,
DCK En
Qn
QCS
QODT,
QCKE
H L LL L L L
HL
L
HH L
H
H
L
L L or H L or H
X
Q0 Q0 Q0
H L HL L L L
H L H
HH L
H
H
L
H L or H L or H
X
Q0 Q0 Q0
H H LL L H L
H H L
H H H H
H
H
L L or H L or H
X
Q0 Q0 Q0
H H H
L Q0 H L
H H H
H Q0 H H
H
H
H L or H L or H
X
Q0 Q0 Q0
L
X or X or
X or X or X or
floating floating floating floating floating
L
L
L
1222F—3/13/07
ADVANCE INFORMATION documents contain information on products in the formative or design phase development. Characteristic data and other specifications are design goals.
ICS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.




ICS

ICSSSTUB32872A Datasheet Preview

ICSSSTUB32872A Datasheet

28-Bit Registered Buffer

No Preview Available !

ICSSSTUB32872A
Advance Information
Ball Assignments
28 bit 1:1 Register
A DCKE0 D0
V REF
B DCKE1 D1
GND
C D2
DODT1 VDD
D DODT0 PTYERR GND
E D3 D4 VDD
F D5 D6 GND
G PAR_IN RESET VDD
H CK
DCS0 GND
J CK
K D7
DCS1 VDD
D8 GND
L D9
D10 VDD
M D11 D12 GND
N D13 D14 VDD
P D15 D16 GND
R D17 D18 VDD
T D19 D20 D21
123
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
VDD
4
QCKE0 QCKE1
Q0 Q1
Q2 Q21
QODT0 QODT1
Q3 Q4
Q5 Q6
NC
QCS0
NC
Q7
Q9
Q11
Q13
Q15
Q17
Q19
NC
QCS1
NC
Q8
Q10
Q12
Q14
Q16
Q18
Q20
56
1222F—3/13/07
2


Part Number ICSSSTUB32872A
Description 28-Bit Registered Buffer
Maker ICS
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