器件名称: DS1706T
功能描述: 3.3 and 5.0 Volt MicroMonitor
文件大小: 76.15KB 共10页
简 介:DSDS1705/DS1706
DS1705/DS1706 3.3 and 5.0 Volt MicroMonitor
FEATURES
PIN ASSIGNMENT
PBRST 1 2 3 4 8 7 6 5 WDS RST ST NMI
Halts and restarts an out–of–control microprocessor Holds
sients microprocessor in check during power tranrestarts microprocessor after power
VCC GND IN
Automatically
failure
Monitors pushbutton for external override Accurate 5%, 10% or 20% resets for 3.3 systems and
5% or 10% resets for 5.0 volt systems
PBRST VCC GND IN
8–PIN DIP (300 MIL) 1 2 3 4 8 7 6 5 WDS RST (*RST) ST NMI
Eliminates the need for discrete components 3.3 volt 20% tolerance for use with 3.0 volt systems Pin compatible with the MAXIM MAX705/MAX706 in
8–pin DIP and 8–pin SOIC
8–PIN SOIC (150 MIL) PBRST VCC GND IN 1 2 3 4 8 7 6 5 WDS RST (*RST) ST NMI
8–pin DIP, 8–pin SOIC and 8–pin –SOP packages Industrial temperature range –40°C to +85°C
8–PIN –SOP (118 MIL) See Mech. Drawings Section
DS1705 and DS1706_/R/S/T (*DS1706L and DS1706P)
PIN DESCRIPTION
PBRST VCC GND IN NMI ST RST *RST WDS – – – – – – – – Pushbutton Reset Input Power Supply Ground Input Non–maskable Interrupt Strobe Input Active Low Reset Output Active High Reset Output (DS1706P and DS1706L only) – Watchdog Status Output
DESCRIPTION
The DS1705/DS1706 3.3 or 5.0 Volt MicroMonitor monitors three vital conditions for a microprocessor: power supply, software execution, and external override. A precision temperature compensated reference and comparator circuit monitors the status of VCC at the device and at a……
