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參數資料
| 型號： | TL7759Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SUPPLY-VOLTAGE SUPERVISORS |
| 中文描述： | 電源電壓監事 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 87K |
| 代理商： | TL7759Y |
TL7759
SUPPLY-VOLTAGE SUPERVISORS
SLVS042D – JANUARY 1991 – REVISED JULY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Power-On Reset Generator
Automatic Reset Generation After Voltage
Drop
Precision Input Threshold
Voltage . . . 4.55 V
±
120 mV
Low Standby Current . . . 20
μ
A
Reset Outputs Defined When V
CC
Exceeds 1 V
True and Complementary Reset Outputs
Wide Supply-Voltage Range . . . 1 V to 7 V
description
The TL7759 is a supply-voltage supervisor designed for use as a reset controller in microcomputer and
microprocessor systems. The supervisor monitors the supply voltage for undervoltage conditions. During power
up, when the supply voltage, V
CC
, attains a value approaching 1 V, the RESET and RESET outputs become
active (high and low, respectively) to prevent undefined operation. If the supply voltage drops below the input
threshold voltage level (V
IT–
), the reset outputs go to the reset active state until the supply voltage has returned
to its nominal value (see timing diagram).
The TL7759C is characterized for operation from 0
°
C to 70
°
C.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
SMALL
OUTLINE
(D)
PLASTIC
DIP
(P)
SHRINK
SMALL
OUTLINE
(PW)
TL7759CPW
CHIP
FORM
(Y)
0
°
C to 70
°
C
The D and PW packages are available taped and reeled. Add the suffix R to
the device type (e.g., TL7759CDR). Chip forms are tested at 25
°
C.
TL7759CD
TL7759CP
TL7759Y
functional block diagram
GND
RESET
RESET
VCC
–
+
5
7
8
4
Reference
Voltage
Copyright
1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
2
3
4
8
7
6
5
NC
NC
NC
GND
RESET
RESET
NC
V
CC
D, P, OR PW PACKAGE
(TOP VIEW)
NC – No internal connection
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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