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参数资料
| 型号： | SC309AZB |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 49.152 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 2/5页 |
| 文件大小： | 186K |
| 代理商： | SC309AZB |
SC309
Low Cost Clock Generator for Advanced SCSI and Audio Applications
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.7
7/20/98
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 2 of 5
PIN DESCRIPTION
Pin
No.
Pin
Name
Power
I/O
Type
Description
2Xin,
VDD
I
OSC1
On-chip reference oscillator input pin. Requires either an external parallel
resonant crystal (nominally 31.3344 Mhz) or externally generated
reference signal.
3
Xout
VDD
O
OSC1
On-chip reference output pin. Drives an external parallel resonant
crystal. When an externally generated reference signal is used, this pin is
left unconnected.
5FS
VDD
O
PAD
*
Frequency Selection input pin for SCLK. A logic low on this pin selects
an SCLK output of 45.1583 Mhx and a logic high selects an SCLK output
of 49.152 MHz.
6OE
VDD
O
PAD
*
Output Enable. A logic low on this pin places all output clocks in a tri-
state mode. This pin has an internal pullup resistor.
7SCLK
VDD
O
BUF1
45.1583 or 49.152 Mhz clock. Frequency is controlled by the logic level
on the FS pin.Power is applied by VDDS.
8ACLK
VDD
O
BUF1
Buffered copy of the 31.3344 Mhz. crystal oscillator.
1VDD
-
I/O
PWR
Power supply pin for device
4
VSS
-
I
PWR
Device ground supply.
*Note: These pins have an internal Pull-Up resistor that will guarantee a logic 1 if left unconnected.
MAXIMUM RATINGS
Voltage Relative to VSS:
-0.3V
Voltage Relative to VDD:
0.3V
Storage Temperature:
-65C to + 150C
Opperating Temperature:
-0C to +70C
Maximum Power Supply:
7V
This device contains circuitry to protect the inputs
against damage due to high static voltages or
electric field. Precautions should be taken to avoid
application of any voltage higher than the maximum
rated voltages to this circuit. For proper operation,
Vin and Vout should be constrained to the range:
VSS<(Vin or Vout)<VDD
Unused inputs must always be tied to an appropriate
logic voltage level (either VSS or VDD).
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相关代理商/技术参数 |
参数描述 |
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| SC-30-D | 制造商:Carlo Gavazzi 功能描述: |
| SC30F103A | 功能描述:NTC Thermistor 10k Bead 制造商:amphenol advanced sensors 系列:SC 包装:散装 零件状态:有效 25°C 时欧姆阻值:10k 电阻容差:±0.05°C B 值容差:- B0/50:- B25/50:- B25/75:- B25/85:- B25/100:- 工作温度:-40°C ~ 150°C 功率 - 最大值:30mW 长度 - 引线:1.50"（38.00mm） 安装类型:- 封装/外壳:磁珠 标准包装:500 |
| SC30F103AN | 功能描述:NTC Thermistor 10k Bead 制造商:amphenol advanced sensors 系列:SC 包装:散装 零件状态:有效 25°C 时欧姆阻值:10k 电阻容差:±0.05°C B 值容差:- B0/50:- B25/50:- B25/75:- B25/85:- B25/100:- 工作温度:-40°C ~ 150°C 功率 - 最大值:30mW 长度 - 引线:1.50"（38.00mm） 安装类型:- 封装/外壳:磁珠 标准包装:500 |
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