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TC1275-15ENB 数据表(PDF) 1 Page - Microchip Technology |
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TC1275-15ENB 数据表(HTML) 1 Page - Microchip Technology |
1 / 12 page © 2007 Microchip Technology Inc. DS21383C-page 1 TC1275/TC1276/TC1277 Features • Precision VCC Monitor for 3.3V Systems • 100 ms Minimum RESET, RESET Output Duration • Output Valid to VCC = 1.2V •VCC Transient Immunity • Small 3-Pin SOT-23 Package • No External Components Applications • Computers • Embedded Systems • Battery Powered Equipment • Critical µP Power Supply Monitoring Device Selection Table NOTE: “x” denotes a suffix for VCC threshold (see table below). Package Type General Description The TC1275/TC1276/TC1277 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 µs of VCC falling through the reset voltage threshold. RESET is maintained active for a minimum of 100 ms after VCC rises above the reset threshold. The TC1277 has an active-high RESET output while the TC1275 and TC1276 have an active-low RESET output. TC1275 and TC1277 each have a complimentary output while the TC1276 has an open drain output. The output of the TC1275 and TC1276 is valid down to VCC = 1.2V. The TC1277 is valid down to VCC = 1.8V. All three devices are available in a 3-Pin SOT-23 package. The TC1275/TC1276/TC1277 devices are optimized to reject fast transient glitches on the VCC line. Typical Operating Circuit Part Number Order Package Temp. Range TC1275-xENB Complimentary 3-Pin SOT-23 -40°C to +85°C TC1276-xENB Open-Drain 3-Pin SOT-23 -40°C to +85°C TC1277-xENB Complimentary 3-Pin SOT-23 -40°C to +85°C Suffix Reset VCC Threshold (V) 53.06 10 2.88 20 2.55 VCC RESET *(RESET) GND TC1275 TC1276 TC1277 1 2 3 *( ) is for TC1277 3-Pin SOT-23 TC1275 VCC VCC VCC RESET RESET Input GND GND Processor 1 2 3 3-Pin Reset Monitors for 3.3V Systems Obsolete Device |
类似零件编号 - TC1275-15ENB |
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类似说明 - TC1275-15ENB |
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