| SUPP |
SUPPLEMENTARY FEATURES |
OPTIONAL 16-PIN SOIC AND 20-PIN TSSOP VERSIONS RESET PROCESSOR IN RESET PROCESSOR WHEN POWER FAILURE COOURS AND HOLD PROCESSOR IN RESET DURING SYSTEM POWER-UP; INDUSTRAIL TEMPERATURE RANGE OF -40 DEG C TO +85 DEG C |
| FEAT |
SPECIAL FEATURES |
CONVERTS CMOS SRAM INTO NONVOLATILE MEMORY; UNCONDITOANLLY WRITE-PROTECTS SRAM WHEN VCC IS OUT OF TOLERANCE; AUTOMATICALLY SWITCHES TO BATTERY BACKUP SUPPLY WHEN VCC POWER FAILURE OCCURS; MONITORS VOLTAGE OF A LITHIUM CELL AND PROVIDES ADVANCED WARNING OF IMPENDING BATTERY FAILURE; SIGNALS LOW-BATTERY CONDITION ON ACTIVE LOW BATTERY WARNING OUTPUT SIGNAL; AUTOMATIC VCC POWER-FAIL DETECTION FOR 3.0V OR 3.3V POWER SUPPLIES; SPACE SAVING 8-PIN DIP AND SOIC PACKAGES |
| CQWX |
OUTPUT LOGIC FORM |
COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
3V NONVOLATILE CONTROLLER WITH LITHIUM BATTERY MONITOR |