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ICS - 25-Bit Configurable Registered Buffer

Numéro de référence ICSSSTUB32864A
Description 25-Bit Configurable Registered Buffer
Fabricant ICS 
Logo ICS 





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ICSSSTUB32864A fiche technique
www.DataSheet4U.com
Integrated
Circuit
Systems, Inc.
ICSSSTUB32864A
Advance Information
25-Bit Configurable Registered Buffer for DDR2
Recommended Application:
• DDR2 Memory Modules
• Provides complete DDR DIMM solution with
ICS97U877
• Ideal for DDR2 400, 533, 667 and 800
Product Features:
• 25-bit 1:1 or 14-bit 1:2 configurable registered buffer
• Supports SSTL_18 JEDEC specification on data
inputs and outputs
• Supports LVCMOS switching levels on C0, C1 and
RESET# inputs
• Low voltage operation
VDD = 1.7V to 1.9V
• Available in 96 BGA package
• Drop-in replacement for ICSSSTUB32866
• Green packages available
Pin Configuration
123456
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
96 Ball BGA
(Top View)
Truth Table
I nputs
Outp uts
RST# DCS# CSR# CK
CK#
Dn,
DODT,
DCK E
Qn
QCS#
QODT,
QCKE
HLL
LL LL
HLL
HHL H
H
L
L L or H L or H X
Q0 Q0 Q0
HLH
LL LL
HLH
HHL H
H
L
H L or H L or H X
Q0 Q0 Q0
HHL
LL HL
HHL
HHHH
H H L L or H L or H X Q0 Q0 Q0
HHH
L Q0 H L
HHH
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
1166—10/05/05
Ball Assignments
A DCKE
B D2
C D3
D DODT
E D5
F D6
G NC
H CK
J CK#
K D8
L D9
M D10
N D11
P D12
R D13
T D14
NC
D15
D16
NC
D17
D18
RST#
DCS#
CSR#
D19
D20
D21
D22
D23
D24
D25
V REF
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
V REF
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
VDD
1234
QCKE
Q2
Q3
NC
Q15
Q16
QODT
Q5
Q6
NC
Q17
Q18
C1 C0
QCS#
ZOH
Q8
NC
ZOL
Q19
Q9 Q20
Q10 Q21
Q11 Q22
Q12 Q23
Q13 Q24
Q14 Q25
56
1:1 Register (C0 = 0, C1 = 0)

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