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參數(shù)資料
| 型號(hào)： | ICS839893AYIT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | 839893 SERIES, LOW SKEW CLOCK DRIVER, 13 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 222K |
| 代理商： | ICS839893AYIT |
Integrated
Circuit
Systems, Inc.
839893AYI
www.icst.com/products/hiperclocks.html
REV. A AUGUST 8, 2005
1
ICS839893I
LOW SKEW, 1-TO-13
LVCMOS/LVTTL BUFFER DIVIDER
GENERAL DESCRIPTION
The ICS839893I is a high-performance one to
thirteen LVCMOS/LVTTL buffer/divider and is
a member of the HiPerClockS family of High
Performance Clock Solutions from ICS. The
device has two selectable LVCMOS/LVTTL
clock inputs and it generates 13 new LVCMOS/LVTTL clock
outputs. The first bank of six outputs offers divide-by-1, 2, 4,
8 or 16. The second bank of six outputs can be configured to
the same divide ratio as the first bank, or with an additional
divide-by-two. The first two banks can be placed into a high-
impedance output state with the assertion of a LOW on the
nOE/MR input. One additional output can be configured
to divide-by-4, 6, 8 or 16. This device is functional with full
3.3V or full 2.5V supplies.
HiPerClockS
ICS
QA0:QA5
QB0:QB5
QC
PIN ASSIGNMENT
nOE/MR
CLK0
CLK1
REF_SEL
FSEL[0:2]
FSEL3
FSEL0 FSEL1
FSEL2
QA
0
÷1
D Q
÷2
0
1
0
1
SIMPLIFIED BLOCK DIAGRAM
FEATURES
13 LVCMOS/LVTTL outputs: 3 banks (6, 6, 1 outputs per
bank respectively)
Selectable CLK0 or CLK1 LVCMOS/LVTTL clock inputs
CLK0, CLK1 supports the following input types:
LVCMOS, LVTTL
Maximum output frequency: 250MHz
Output skew: 40ps (maximum), within bank
Full 3.3V or 2.5V operating supply
-40°C to 85°C ambient operating temperature
Available in both, Standard and RoHS/Lead-Free compliant
packages
GND
QC
nc
V
DDO
_
C
CLK0
CLK1
V
DD
nc
GND
36 35 34 33 32 31 30 29 28 27 26 25
1 2 3 4 5 6 7 8 9 10 11 12
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
GND
QA0
QA1
VDDO_A
GND
QA2
QA3
VDDO_A
GND
QA4
QA5
VDDO_A
GND
QB0
QB1
VDDO_B
GND
QB2
QB3
VDDO_B
GND
QB4
QB5
VDDO_B
V
DD
nc
REF_SEL
nc
GND
FSEL0
FSEL1
GND
FSEL2
FSEL3
nOE/MR
V
DD
ICS839893I
48-Pin LQFP
7mm x 7mm x 1.4mm
body package
Y Package
Top View
FSEL0 FSEL1 FSEL2 QA
000
÷1
001
÷2
010
÷2
011
÷4
100
÷2
101
÷16
110
÷8
111
÷4
FSEL0 FSEL1 FSEL2 QC
00
0
÷8
00
1
÷8
01
0
÷6
01
1
÷8
10
0
÷4
1
0
1
÷16
11
0
÷8
11
1
÷4
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ICS839893I | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-13 LVCMOS/LVTTL BUFFER DIVIDER |
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| ICS83PN156DKILFT | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 10VFQFN |
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