深圳市科瑞芯电子有限公司

G690L293T73Uf-微处理器复位

General Description

The G690/G691 are microprocessor (μP) supervisory
circuits used to monitor the power supplies in μP and
digital systems. They provide excellent circuit reliability
and low cost by eliminating external components and
adjustments when used with +5V, +3.3V, +3.0V- powered
circuits.
These circuits perform a single function: they assert a
reset signal whenever the VCC supply voltage declines
below a preset threshold, keeping it asserted for at
least 140ms after VCC has risen above the reset
threshold. Reset thresholds suitable for operation with
a variety of supply voltages are available.
The G691L has an open-drain output stage, while the
G690 have push-pull outputs. The G691L’s open-drain
RESET output requires a pull-up resistor that can be
connected to a voltage higher than VCC. The G690L
have an active-low RESET output, while the G690H
has an active-high RESET output. The reset comparator
is designed to ignore fast transients on VCC,
and the outputs are guaranteed to be in the correct
logic state for VCC down to 1V.
Low supply current makes the G690/G691 ideal for use
in portable equipment. The G690/G691 are available in

3-pin SOT-23 and SC-70-3(SOT-323) packages.

GMT部分产品型号：
G693L263TCUF 
G682L09TT12U
G2822T11U
G2053FC1U
G693L293TCUF
G2263AV1U
G547G1P81U 
G2227RA1U  
G2257Q51U
G5125T11U
G524B1T11U
G517AL2TB1U
G517AL1TB1U
G524D1T11U
AT5520AR41U
G5520AR41U
G517G1P81U
G529A1TB1U
I2225RV1U
G9141T11U
G5930TBU
G5108P8U
G2225RV1U
G9091-180TA1U
G5728TO1U
G9091-330T11U
G9661-25ADJF11U
G524B2T11U 
G524B1T11U
G5027CRD1D
G547E1P81U
G547E2P81U
G547G2P81U
G913CF
G547E2P11U
G6001AQY1U
G6090RC1U
G5312QN2U
G5329QV1U
G5309QN1U
G529A1TB1U
G517G1P81U
G517G1TO1U
G5126TB1U
G2287J21U
G3206RE1U
G2057BF11U
G1577
G1582
G1583
G1584
G2562
G2510
G2533
G5517