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參數資料
| 型號： | ICS948AI147L |
| 英文描述： | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| 中文描述： | 低偏移，1到12 DIFFERENTIAL-TO-LVCMOS/LVTTL扇出緩沖器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 110K |
| 代理商： | ICS948AI147L |
83948AYI-147
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 21, 2005
1
Integrated
Circuit
Systems, Inc.
ICS83948I-147
L
OW
S
KEW
, 1-
TO
-12
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
G
ENERAL
D
ESCRIPTION
The ICS83948I-147 is a low skew, 1-to-12
Differential-to-LVCMOS/LVTTL Fanout Buffer and
a member of the
HiPerClockS family of High
Performance Clock Solutions from ICS. The
ICS83948I-147 has two selectable clock inputs.
The CLK, nCLK pair can accept most standard differential
input levels. The LVCMOS_CLK can accept LVCMOS or
LVTTL input levels. The low impedance LVCMOS/LVTTL out-
puts are designed to drive 50
Ω
series or parallel terminated
transmission lines. The effective fanout can be increased
from 12 to 24 by utilizing the ability of the outputs to drive two
series terminated lines.
The ICS83948I-147 is characterized at full 3.3V or full 2.5V
operating supply modes. Guaranteed output and part-to-part
skew characteristics make the ICS83948I-147 ideal for those
clock distribution applications demanding well defined per-
formance and repeatability.
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
F
EATURES
Twelve LVCMOS/LVTTL outputs
Selectable LVCMOS/LVTTL clock
or differential CLK, nCLK inputs
CLK, nCLK pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL
LVCMOS_CLK accepts the following input levels:
LVCMOS or LVTTL
Output frequency: 350MHz (maximum)
Output skew (at 3.3V ± 5%): 100ps (maximum)
Part-to-part skew (at 3.3V ± 5%): 1ns (maximum)
Full 3.3V or full 2.5V operating supply
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
HiPerClockS
ICS
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
GND
Q4
V
DDO
Q5
GND
Q6
V
DDO
Q7
CLK_SEL
LVCMOS_CLK
CLK
nCLK
CLK_EN
OE
V
DD
GND
G
Q
V
D
Q
G
Q
V
D
Q
Q
V
D
Q
G
Q
V
D
Q
G
ICS83948I-147
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
LVCMOS_CLK
CLK
nCLK
1
0
CLK_EN
CLK_SEL
D
Q
LE
OE
相關PDF資料 |
PDF描述 |
|---|---|
| ICS83948AYI-147 | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83948AYI-147LF | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83948AYI-147LFT | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83948AYI-147T | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83948I-147 | LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
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