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ICS8344BYT Datasheet

  • ICS8344BYT

  • LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER

  • 132.99KB

  • 15頁

  • ICS

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PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS8344
L
OW
S
KEW
, 1-
TO
-24
D
IFFERENTIAL
-
TO
-LVCMOS F
ANOUT
B
UFFER
F
EATURES
鈥?/div>
24 LVCMOS outputs, 7鈩?typical output impedance
鈥?/div>
Output frequency up to 167MHz
鈥?/div>
275ps output skew, 600ps part to part skew
鈥?/div>
Translates any differential input signal (PECL, HSTL, LVDS)
to LVCMOS without external bias networks
鈥?/div>
Translates any single-ended input signal to LVCMOS with
resistor bias on nCLK input
鈥?/div>
Translates and inverts any single-ended input signal to
LVCMOS with resistor bias on CLK input
鈥?/div>
Multiple differential clock input pairs for redundant clock
applications
鈥?/div>
LVCMOS control inputs
鈥?/div>
Multiple output enable pins for disabling unused outputs in
reduced fanout applications
鈥?/div>
3.3V, 2.5V or mixed 3.3V, 2.5V operating supply modes
鈥?/div>
48 lead low-profile QFP(LQFP), 7mm x 7mm x 1.4mm
package body, 0.5mm package lead pitch
鈥?/div>
0擄C to 70擄C ambient operating temperature
鈥?/div>
Industrial temperature versions available upon request
G
ENERAL
D
ESCRIPTION
The ICS8344 is a low voltage, low skew fanout
buffer and a member of the HiPerClockS鈩?/div>
HiPerClockS鈩?/div>
family of High Performance Clock Solutions from
ICS. The ICS8344 is designed to translate any
differential signal levels to LVCMOS levels. The
low impedance LVCMOS outputs are designed to drive 50鈩?/div>
series or parallel terminated transmission lines. The effective
fanout can be increased to 48 by utilizing the ability of the
outputs to drive two series terminated lines. Redundant clock
applications can make use of the dual clock input. The dual
clock inputs also facilitate board level testing. ICS8344 is
characterized at full 3.3V, full 2.5V and mixed 3.3V input and
2.5V output operating supply modes.
,&6
Guaranteed output and part-to-part skew characteristics
make the ICS8344 ideal for those clock distribution applica-
tions demanding well defined performance and repeatability.
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
Q8
Q9
VDDO
GND
Q10
Q11
Q12
Q13
VDDO
GND
Q14
Q15
CLK_SEL
CLK0
nCLK0
CLK1
nCLK1
Q16
Q17
VDDO
GND
Q18
Q19
Q20
Q21
VDDO
GND
Q22
Q23
0
1
Q0 - Q7
OE1
O8 - Q15
OE2
O16 - Q23
OE3
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
31
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
ICS8344
Q7
Q6
VDDO
GND
Q5
Q4
Q3
Q2
VDDO
GND
Q1
Q0
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
8344
www.icst.com
REV. B FEBRUARY 2, 2001
1
OE1
OE2
OE3
CLK0
nCLK0
VDDI
GND
CLK1
nCLK1
VDDI
GND
CLK_SEL
48-Lead LQFP
Y Package
Top View

ICS8344BYT相關型號PDF文件下載

  • 型號
    版本
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    廠商
    下載
  • 英文版
    LOW SKEW, 1-TO-2 LVCMOS / LVTTL FANOUT BUFFER
    ICS
  • 英文版
    LOW SKEW, 1-TO-2 LVCMOS / LVTTL FANOUT BUFFER
    ICST [Inte...
  • 英文版
    LOW SKEW, 1-TO-4 LVCMOS / LVTTL FANOUT BUFFER
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  • 英文版
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    ICST [Inte...
  • 英文版
    LOW SKEW, 1-TO-4, MULTIPLEXED DIFFERENTIAL/ LVCMOS-TO-LVCMOS...
    ICS
  • 英文版
    LOW SKEW, 1-TO-4, MULTIPLEXED DIFFERENTIAL/ LVCMOS-TO-LVCMOS...
    ICST [Inte...
  • 英文版
    LOW SKEW, 1-TO-12 LVCMOS / LVTTL FANOUT BUFFER
    ICSI
  • 英文版
    LOW SKEW, 1-TO-12 LVCMOS / LVTTL FANOUT BUFFER
    ICST [Inte...
  • 英文版
    LOW SKEW, 1-TO-16, LVCMOS / LVTTL FANOUT BUFFER W/1.2V LVCMO...
    ICST [Inte...
  • 英文版
    Low Skew 1-to-16 Fanout Buffer
    ICS
  • 英文版
    Low Skew 1-to-16 Fanout Buffer
    ICST [Inte...
  • 英文版
    LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
    ICS
  • 英文版
    LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
    ICST [Inte...
  • 英文版
    350MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER
    ICS
  • 英文版
    350MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER
    ICST [Integrate...
  • 英文版
    700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SY...
    ICSI
  • 英文版
    700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SY...
    ICST [Integrate...
  • 英文版
    Low Skew 1-to-16 Differential Current Mode Fanout Buffer
    ICS
  • 英文版
    Low Skew 1-to-16 Differential Current Mode Fanout Buffer
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  • 英文版
    LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-LVDS CLOCK DISTRIBUTION CH...
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