DS1846
FEATURES
- Three linear taper potentiometers
- Two 10k W, 100-position
- One 100k W, 256-position 248 bytes of user EEPROM memory Monitors microprocessor power supply, voltage sense, and external override Access to data and potentiometer control through a 2-wire interface External write-protect (WP) pin to protect data and potentiometer settings Operates from a 5V supply Nonvolatile (NV) wiper storage Packaging: 20-pin TSSOP Programming temperature: 0ºC to +70ºC Industrial operating temperature: -40ºC to +85ºC
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- VCC IN PBRST
RST RST H0 W0 H1 W2 H2
20-Pin TSSOP
PIN DESCRIPTION
VCC GND SDA
- Power-Supply Input
- Ground
- 2-Wire Serial Data Input/Output SCL
- 2-Wire Serial Clock Input WP
- Write-Protect Input A0
- Address Input H0, H1, H2
- High End of Potentiometer L0, L1, L2
- Low End of Potentiometer W0, W1, W2
- Wiper Terminal of Potentiometer PBRST
- Pushbutton Reset Input NMI
- Nonmaskable Interrupt Output IN
- NMI Voltage Input
ORDERING INFORMATION
DS1846E-01...
