TLC7701, TLC7725, TLC7703 TLC7733, TLC7705 Texas Instruments TI pdf datasheet download

TLC7701, TLC7725, TLC7703
TLC7733, TLC7705

FEATURES
• Power-On Reset Generator
• Automatic Reset Generation After Voltage
Drop
• Precision Voltage Sensor
• Temperature-Compensated Voltage Reference
• Programmable Delay Time by External
Capacitor
• Supply Voltage Range . . . 2 V to 6 V
• Defined RESET Output from VDD ≥ 1 V
• Power-Down Control Support for Static RAM
With Battery Backup
• Maximum Supply Current of 16 μA
• Power Saving Totem-Pole Outputs
• Temperature Range . . . Up to –55°C to 125°C

APPLICATIONS
• Medical Imaging

DESCRIPTION

The TLC77xx family of micropower supply voltage
supervisors provide reset control, primarily in
microcomputer and microprocessor systems.
During power-on, RESET is asserted when VDD
reaches 1 V. After minimum VDD (≥2 V) is
established, the circuit monitors SENSE voltage and
keeps the reset outputs active as long as SENSE
voltage (VI(SENSE)) remains below the threshold
voltage. An internal timer delays return of the output
to the inactive state to ensure proper system reset.
The delay time, td, is determined by an external
capacitor:
td = 2.1 × 104 × CT
Where
CT is in farads
td is in seconds

Click here to download TLC7701, TLC7725, TLC7703 TLC7733, TLC7705 Texas Instruments TI pdf datasheet


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