97ULP877AHLFT IDT, 97ULP877AHLFT Datasheet
97ULP877AHLFT
Manufacturer Part Number
97ULP877AHLFT
Description
Clock Drivers & Distribution
Manufacturer
IDT
Datasheet
1.97ULP877AHLFT.pdf
(14 pages)
Specifications of 97ULP877AHLFT
Rohs
yes
Part # Aliases
ICS97ULP877AHLFT
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Recommended Application:
•
•
Product Description/Features:
•
•
•
•
•
Switching Characteristics:
•
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Block Diagram
NOTE:
1. The Logic Detect (LD) powers down the device when a logic LOW is
7116—03/27/07
1.8V Low-Power Wide-Range Frequency Clock Driver
applied to both CLK_INT and CLK+INC.
CLK_INC
CLK_INT
FB_INC
FB_INT
AV
DDR2 Memory Modules / Zero Delay Board Fan Out
Provides complete DDR DIMM logic solution with
ICSSSTU32864/SSTUF32864/SSTUF32866/
SSTUA32864/SSTUA32866/SSTUA32S868/
SSTUA32S865/SSTUA32S869
Low skew, low jitter PLL clock driver
1 to 10 differential clock distribution (SSTL_18)
Feedback pins for input to output synchronization
Spread Spectrum tolerant inputs
Auto PD when input signal is at a certain logic state
Period jitter: 40ps (DDR2-400/533)
Half-period jitter: 60ps (DDR2-400/533)
OUTPUT - OUTPUT skew: 40ps (DDR2-400/533)
CYCLE - CYCLE jitter 40ps
OE
OS
DD
GND
30ps (DDR2-667)
Integrated
Circuit
Systems, Inc.
50ps (DDR2-667)
Powerdown
Control and
Test Logic
PLL
LD
(1)
30ps (DDR2-667)
PLL Bypass
LD
LD , OS, or OE
(1)
(1)
or OE
CLKT0
CLKC0
CLKT1
CLKC1
CLKT2
CLKC2
CLKT3
CLKC3
CLKT4
CLKC4
CLKT5
CLKC5
CLKT6
CLKC6
CLKT7
CLKC7
CLKT8
CLKC8
CLKT9
CLKC9
FB_OUTT
FB_OUTC
C
D
G
H
A
B
E
F
J
K
CLK_INT
CLK_INC
CLKC1
CLKC2
CLKC3
CLKT1
CLKT2
CLKT3
AGND
AVDD
CLK_INC
CLK_INT
1
CLKC2
CLKT2
AGND
AV
V
V
V
GND
DDQ
DDQ
DDQ
DD
Pin Configuration
CLKC4
CLKT0
VDDQ
VDDQ
VDDQ
VDDQ
GND
GND
GND
GND
10
1
9
C
D
G
H
2
3
4
5
6
7
8
A
B
E
F
J
K
2
52-Ball BGA
1
Top View
CLKC0
CLKT4
VDDQ
VDDQ
2
40-Pin MLF
GND
GND
NB
NB
NB
NB
3
ICS97ULP877A
3
4
CLKC5
CLKT9
VDDQ
VDDQ
GND
GND
5
NB
NB
NB
NB
4
6
CLKC9
CLKT5
VDDQ
VDDQ
GND
GND
GND
GND
OS
OE
5
30
29
28
27
26
25
24
23
22
21
FB_OUTC
FB_OUTT
FB_INT
FB_INC
CLKT6
CLKC6
CLKC7
CLKT7
CLKT8
CLKC8
CLKC7
CLKT7
V
FB_INT
FB_INC
FB_OUTC
FB_OUTT
V
OE
OS
DDQ
DDQ
6
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