DS1490F
Dallas Semiconductor
2-in-1 FobPreliminary
DS1490F 2-in-1 Fob*
www.dalsemi.com
FEATURES
1-Wire® to USB port adapter for direct connection to notebook and desktop computers Any iButton™ mounts in the ergonomically angled handle for touch-and-go applications such as door entry Fast, conv
DS1495
(DS1495 / DS1497) RAMified Real Time ClockDS1495/DS1497
DS1495/DS1497 RAMified Real Time Clock
FEATURES
PIN ASSIGNMENT
A0 A1 X2 X1 STBY D0 D1 D2 D3 D4 D5 D6 D7 V SS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A2 A3 VDD SQW A4 A5 VBAT IRQ RESET RD BGND WR XRAM RTC
• Ideal for EISA bus PCs • Functionally
Dallas Semiconductor
PDF
DS1497
(DS1495 / DS1497) RAMified Real Time ClockDS1495/DS1497
DS1495/DS1497 RAMified Real Time Clock
FEATURES
PIN ASSIGNMENT
A0 A1 X2 X1 STBY D0 D1 D2 D3 D4 D5 D6 D7 V SS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A2 A3 VDD SQW A4 A5 VBAT IRQ RESET RD BGND WR XRAM RTC
• Ideal for EISA bus PCs • Functionally
Dallas Semiconductor
PDF