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參數(shù)資料
| 型號(hào)： | G696L293T |
| 廠商： | Global Mixed-mode Technology Inc. |
| 元件分類： | 復(fù)位半導(dǎo)體 |
| 英文描述： | Microprocessor Reset IC |
| 中文描述： | 微處理器復(fù)位IC |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 211K |
| 代理商： | G696L293T |
Ver: 1.1
Jul 26, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G696/G697
Global Mixed-mode Technology Inc.
Microprocessor Reset IC
Features
Precision Monitoring of +3V, +3.3V, and +5V
Power-Supply Voltages
Fully Specified Over Temperature
Available in Three Output Configurations
Push-Pull RESET Output (G696L)
Push-Pull RESET Output (G696H)
Open-Drain RESET Output (G697L)
Externally Programmable Time Delay Generator
6A Supply Current
Guaranteed Reset Valid to VCC = 0.8V
Power Supply Transient Immunity
5 pin SOT23-5 Packages
Applications
Computers
Controllers
Intelligent Instruments
Critical P and C Power Monitoring
Portable / Battery-Powered Equipment
Automotive
General Description
The G696/G697 are microprocessor (P) supervisory
circuits used to monitor the power supplies in P and
digital systems. They provide excellent circuit reliability
and low cost 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, with hysteresis keeping it
asserted for time delay determined by externally pro-
gramable time delay generator. after VCC has risen
above the reset threshold. Reset thresholds suitable
for operation with a variety of supply voltages are
available.
The G697L has an open-drain output stage, while the
G696 have push-pull outputs. The G697L’s open-drain
RESET output requires a pull-up resistor that can be
connected to a voltage higher than VCC. The G696L
have an active-low RESET output, while the G696H
has an active-high RESET output. The reset com-
parator is designed to ignore fast transients on VCC,
and the outputs are guaranteed to be in the correct
logic state for VCC down to 0.8V.
Low supply current makes the G696/G697 ideal for
use in portable equipment. The G696/G697 are avail-
able in 5-pin SOT23-5 packages.
Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
G696H(L)xxxT1 -40°C ~ +105°C
SOT23-5
G697LxxxT1
-40°C ~ +105°C
SOT23-5
* xxx specifies the threshold voltage.
e.g. 263 denotes the 2.63V threshold voltage.
Pin Configuration
Typical Operating Circuit
V
CC
SOT23-5
G696/G697
5
1
2
RESET(RESET)
N.C.
4
3
GND
C
D
()is for G696H
*G697 ONLY
RESET
INPUT
GND
P
V
CC
RESET
(RESET)
GND
G696/G697
V
CC
C
D
V
CC
C
D
R
pull-up*
V
CC
SOT23-5
G696/G697
5
1
2
RESET(RESET)
N.C.
4
3
GND
C
D
()is for G696H
*G697 ONLY
RESET
INPUT
GND
P
V
CC
RESET
(RESET)
GND
G696/G697
V
CC
C
D
V
CC
C
D
R
pull-up*
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