器件名称: 802T
功能描述: 3V Supervisor with Battery Switchover
文件大小: 657.19KB 共32页
简 介:STM690, STM704, STM795 STM802, STM804, STM805, STM806
3V Supervisor with Battery Switchover
FEATURES SUMMARY
■ ■ ■
■ ■ ■ ■ ■ ■ ■ ■ ■
RST OR RST OUTPUTS NVRAM SUPERVISOR FOR EXTERNAL LPSRAM CHIP-ENABLE GATING (STM795 only) FOR EXTERNAL LPSRAM (7ns max PROP DELAY) MANUAL (PUSH-BUTTON) RESET INPUT 200ms (TYP) trec WATCHDOG TIMER - 1.6sec (TYP) AUTOMATIC BATTERY SWITCHOVER LOW BATTERY SUPPLY CURRENT - 0.4A (TYP) POWER-FAIL COMPARATOR (PFI/PFO) LOW SUPPLY CURRENT - 40A (TYP) GUARANTEED RST (RST) ASSERTION DOWN TO VCC = 1.0V OPERATING TEMPERATURE: –40°C to 85°C (Industrial Grade)
Figure 1. Packages
8 1
SO8 (M)
TSSOP8 3x3 (DS)*
Table 1. Device Options
Watchdog Input STM690T/S/R STM704T/S/R STM795T/S/R STM802T/S/R STM804T/S/R STM805T/S/R STM806T/S/R ActiveLow RST(1) (2) (2) (2) ActiveHigh RST Manual Battery Reset Input Switch-over Power-fail Comparator ChipEnable Gating
Note: 1. All RST outputs push-pull (unless otherwise noted) 2. Open drain output.
* Contact local ST sales office for availability.
Rev 7 April 2006 1/32
STM690/704/795/802/804/805/806
TABLE OF CONTENTS
FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 1. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 1. Device Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ……
