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产品展示 您现在的位置:君硅科技 > >>产品展示>>时钟和定时>>
TLC556M图片
 产品型号:TLC556M
 库存:2000
 PDF下载:
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 详细介绍

TLC556M_低功耗双路 LinCMOS 定时器

TLC556M

The TLC556 series are monolithic timing circuits fabricated using the TI LinCMOSTM process, which provides full compatibility with CMOS, TTL, and MOS logic and operates at frequencies up to 2MHz. Accurate time delays and oscillations are possible with smaller, less-expensive timing capacitors than the NE556 because of the high input impedance. Power consumption is low across the full range of power supply voltages.

Like the NE556, the TLC556 has a trigger level approximately one-third of the supply voltage and

a threshold level approximately two-thirds of the supply voltage. These levels can be altered by use of the control voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset input can override all other inputs and can be used to initiate a new timing cycle. If the reset input is low, the flip-flop is reset and the output is low. Whenever the output is low, a low-impedance path is provided between the discharge terminal and ground.

While the CMOS output is capable of sinking over 100 mA and sourcing over 10 mA, the TLC556 exhibits greatly reduced supply-current spikes during output transitions. This minimizes the need for the large decoupling capacitors required by the NE556.

These devices have internal electrostatic-discharge (ESD) protection circuits that prevent catastrophic failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015. However, care should be exercised in handling these devices, as exposure to ESD may result in degradation of the device parametric performance.

All unused inputs should be tied to an appropriate logic level to prevent false triggering.

The TLC556C is characterized for operation from 0°C to 70°C. The TLC556I is characterized for operation from -40°C to 85°C. The TLC556M is characterized for operation over the full military temperature range of -55°C to 125°C

产品特性
  • Very Low Power Consumption...2 mW Typ at VDD = 5 V
  • Capable of Operation in Astable Mode
  • CMOS Output Capable of Swinging Rail to Rail
  • High Output-Current Capability
    Sink 100 mA Typ
    Source 10 mA Typ
  • Output Fully Compatible With CMOS, TTL, and MOS
  • Low Supply Current Reduces Spikes During Output Transitions
  • Single-Supply Operation From 2 V to 15 V
  • Functionally interchangeable With the NE556; Has Same Pinout
参数parametrics
参数 TLC556M
Frequency (Max) (MHz) 2.1
VCC (Min) (V) 2
VCC (Max) (V) 15
Iq (Typ) (uA) 130
Rating Military
Pin/Package 14CDIP 14SOIC 20LCCC
Operating Temperature Range (C) -55 to 125
数据表?(1)
标题 类型 大小 (KB) 日期
Dual LinCMOS Timers PDF 1021 1997年 9月 25日
订购型号Ordering
型号 状态 温度 (oC) DSCC # 价格(美元) | Quantity 封装 | 引脚 器件标记 封装数量 | 载体
5962-89503022A ACTIVE -55 to 125   23.89 | 100u LCCC?(FK) | 20 5962- 89503022A TLC556MFKB 1 | TUBE
5962-8950302CA ACTIVE -55 to 125   7.90 | 100u CDIP?(J) | 14 5962-8950302CA TLC556MJB 1 | TUBE
TLC556MD ACTIVE -55 to 125   1.22 | 100u SOIC?(D) | 14 TLC556M 50 | SMALL T&R
TLC556MDG4 ACTIVE     1.22 | 100u SOIC?(D) | 14 TLC556M 50 | SMALL T&R
TLC556MDR ACTIVE -55 to 125   1.15 | 100u SOIC?(D) | 14 TLC556M 2500 | LARGE T&R
TLC556MDRG4 ACTIVE     1.15 | 100u SOIC?(D) | 14 TLC556M 50 | SMALL T&R
TLC556MFKB ACTIVE -55 to 125 5962-89503022A 23.89 | 100u LCCC?(FK) | 20 5962- 89503022A TLC556MFKB 1 | TUBE
TLC556MJ ACTIVE -55 to 125   6.66 | 100u CDIP?(J) | 14 TLC556MJ 1 | TUBE
TLC556MJB ACTIVE -55 to 125 5962-8950302CA 7.90 | 100u CDIP?(J) | 14 5962-8950302CA TLC556MJB 1 | TUBE
TLC556MN OBSOLETE -55 to 125   联系客服 PDIP?(N) | 14    

这里所列出的美国报价单仅供预算参考,指美元报价(规定订量的每片美元,美国离岸价),如有修改不再另行通知。由于地区关税、商业税、汇率及手续费原因,国际报价可能不同。对于特殊批量报价,请与君硅科技 联络。对于评估板和套件的报价是指一个单位价格。

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