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Home - Analog & Interface Products - Power Management - CPU/System Supervisors - TC1273 Device, download datasheet

Download Datasheets TC1273 Device


The TC1272, TC1273 and TC1274 are cost-effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required. The reset output is driven active within 20 sec of VCC falling through the reset voltage threshold. Reset is maintained active for a minimum of 100msec after VCC rises above the reset threshold. The TC1274 has an active-high RESET output while the TC1272 and TC1273 have an active-low RESET output. The TC1272 and TC1274 each have a complimentary output while the TC1273 has an open drain output. The output of the TC1272 and TC1273 is rated down to VCC = 1.2V. The TC1274 is rated down to VCC =1.8V. All three devices are available in a 3-Pin SOT-23B package. The TC1272/3/4 are optimized to reject fast transient glitches on the VCC line.

Datasheet and Other Documentation

Detailed Content

Lit. Number

Download

 

TC1272/73/74 Datasheet

21382a

Download TC1272/73/74 Datasheet

Status

In Production

Specification Chart

Vcc Range (V)

Reset Voltages

Reset Type

Output

Min. Reset Pulse Width (ms)

Typical Supply Current (A)

1.2 to 5.5

4.62,4.35,4.13

Active low

Open Drain

200

30

Additional Features

Precision VCC Monitor for 5.0V Systems
100msec Minimum RESET, RESET Output Duration
Output Valid to VCC = 1.2V
VCC Transient Immunity
No External Components

Package Options

3 SOT-23B(OT)



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