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ICS98ULPA877AKLF-T Datasheet

  • ICS98ULPA877AKLF-T

  • 1.8V Low-Power Wide-Range Frequency Clock Driver

  • 14頁

  • IDT

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Integrated
Circuit
Systems, Inc.
ICS98ULPA877A
Advance Information
1.8V Low-Power Wide-Range Frequency Clock Driver
Recommended Application:
鈥?DDR2 Memory Modules / Zero Delay Board Fan Out
鈥?Provides complete DDR2 DIMM logic solution
Product Description/Features:
鈥?Low skew, low jitter PLL clock driver
鈥?1 to 10 differential clock distribution (SSTL_18)
鈥?Feedback pins for input to output synchronization
鈥?Spread Spectrum tolerant inputs
鈥?Auto PD when input signal is at a certain logic state
Switching Characteristics:
鈥?Period jitter: 40ps (DDR2-400/533)
30ps (DDR2-667/800)
鈥?Half-period jitter: 60ps (DDR2-400/533)
50ps (DDR2-667/800)
鈥?OUTPUT - OUTPUT skew: 40ps (DDR2-400/533)
30ps (DDR2-667/800)
鈥?CYCLE - CYCLE jitter 40ps
Pin Configuration
1
A
B
C
D
E
F
G
H
J
K
2
3
4
5
6
52-Ball BGA
Top View
A
B
C
D
E
F
G
H
J
K
1
CLKT1
CLKC1
CLKC2
CLKT2
CLK_INT
CLK_INC
AGND
AVDD
CLKT3
CLKC3
2
CLKT0
GND
GND
VDDQ
VDDQ
VDDQ
VDDQ
GND
GND
CLKC4
CLKC1
CLKC0
CLKT1
Block Diagram
LD or OE
OE
OS
AV
DD
(1)
3
CLKC0
GND
NB
VDDQ
NB
NB
VDDQ
NB
GND
CLKT4
CLKC5
CLKT0
V
DDQ
4
CLKC5
GND
NB
VDDQ
NB
NB
VDDQ
NB
GND
CLKT9
CLKT5
CLKC6
CLKT6
5
CLKT5
GND
GND
OS
VDDQ
OE
VDDQ
GND
GND
CLKC9
V
DDQ
6
CLKT6
CLKC6
CLKC7
CLKT7
FB_INT
FB_INC
FB_OUTC
FB_OUTT
CLKT8
CLKC8
POWER
DOWN
AND
LD, OS, or OE
TEST
MODE
PLL BYPASS
LOGIC
LD
CLKT0
39
32
35
34
37
40
CLKT1
CLKC1
CLKT2
CLKC2
CLKT3
CLKC3
CLKT4
CLKC4
38
36
33
31
CLKC0
V
DDQ
CLKC2
CLKT2
CLK_INT
CLK_INC
V
DDQ
AGND
AV
DD
V
DDQ
GND
1
2
3
4
5
6
7
8
9
10
16
17
13
11
12
15
18
14
19
20
30
29
28
27
26
25
24
23
22
21
CLKC7
CLKT7
V
DDQ
FB_INT
FB_INC
FBOUTC
FBOUTT
V
DDQ
OE
OS
CLK_INT
CLK_INC
10K惟 - 100K惟
FBIN_INT
FBIN_INC
PLL
CLKT5
CLKC5
CLKT6
CLKC6
CLKT7
CLKC7
CLKT8
V
DDQ
CLKT3
CLKT4
CLKC3
CLKC4
CLKT9
CLKC9
NOTE:
1. The Logic Detect (LD) powers down the device
when a logic LOW is applied to both CLK_INT and
CLK_INC.
FBOUTT
FBOUTC
40-Pin MLF
1177C鈥?5/23/07
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.
CLKC9
CLKC8
CLKT9
CLKT8
V
DDQ
CLKC8

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