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参数资料
| 型号： | ICS83908AGI-02LFT |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 200 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封装： | 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-24 |
| 文件页数： | 3/14页 |
| 文件大小： | 303K |
| 代理商： | ICS83908AGI-02LFT |
Integrated
Circuit
Systems, Inc.
83908AGI-02
www.icst.com/products/hiperclocks.html
REV. A MAY 9, 2006
11
ICS83908I-02
LOW SKEW, 1-TO-8
CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
PRELIMINARY
Figure 1. Crystal Input Interface
CRYSTAL INPUT INTERFACE
A crystal can be characterized for either series or parallel mode
operation. The ICS83908I-02 has a built-in crystal oscillator
circuit. This interface can accept either a series or parallel
crystal without additional components and generate fre-
quencies with accuracy suitable for most applications.
Additional accuracy can be achieved by adding two small
capacitors C1 and C2 as shown in Figure 1. Typical results
using parallel 18pF crystals are shown in Table 5.
APPLICATION INFORMATION
INPUTS:
CRYSTAL INPUT:
For applications not requiring the use of the crystal oscillator
input, both XTAL_IN and XTAL_OUT can be left floating. Though
not required, but for additional protection, a 1k
Ω resister can be
tied from XTAL_IN to ground.
CLK INPUT:
For applications not requiring the use of the test clock, it can be
left floating. Though not required, but for additional protection, a
1k
Ω resister can be tied from the CLK input to ground.
SELECT PINS:
All select pins have internal pull-ups and pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω resister can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
LVCMOS OUTPUT:
All unused LVCMOS output can be left floating. We recommend
that there is no trace attached.
C1
15p
X1
18pF Parallel Crystal
C2
15p
XTAL_OUT
XTAL_IN
相关PDF资料 |
PDF描述 |
|---|---|
| ICS83940AY-01LFT | LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS83940AY-01T | LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS83940AY-01LF | LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS83940AY-01 | LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| ICS83940AY-02 | 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS83908AGI-02T | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-8 CRYSTAL-TO-LVCMOS FANOUT BUFFER |
| ICS83908I-02 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-8 CRYSTAL-TO-LVCMOS FANOUT BUFFER |
| ICS83940 | 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-18 LVCMOS FANOUT BUFFER |
| ICS83940-01 | 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-18 LVCMOS FANOUT BUFFER |
| ICS83940-02 | 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-18 LVCMOS FANOUT BUFFER |
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