产品详细信息

Iq (Typ) (uA) 2000 Rating Catalog Operating temperature range (C) 0 to 70 Supply voltage (Max) (V) 16 Supply voltage (Min) (V) 4.5
Iq (Typ) (uA) 2000 Rating Catalog Operating temperature range (C) 0 to 70 Supply voltage (Max) (V) 16 Supply voltage (Min) (V) 4.5
PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9 SOIC (D) 8 19 mm² 4.9 x 3.9 SOP (PS) 8 48 mm² 6.2 x 7.8 TSSOP (PW) 8 19 mm² 3 x 6.4
  • Timing From Microseconds to Hours
  • Astable or Monostable Operation
  • Adjustable Duty Cycle
  • TTL-Compatible Output Can Sink or Source
    Up to 200 mA
  • On Products Compliant to MIL-PRF-38535,
    All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include
    Testing of All Parameters.
  • Timing From Microseconds to Hours
  • Astable or Monostable Operation
  • Adjustable Duty Cycle
  • TTL-Compatible Output Can Sink or Source
    Up to 200 mA
  • On Products Compliant to MIL-PRF-38535,
    All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include
    Testing of All Parameters.

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. 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 (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. 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 (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.

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* 数据表 xx555 Precision Timers 数据表 (Rev. I) 15 Sep 2014
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封装 引脚数 下载
PDIP (P) 8 了解详情
SO (PS) 8 了解详情
SOIC (D) 8 了解详情
TSSOP (PW) 8 了解详情

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