Interface is Parallel - Clock/Timing - Real Time Clocks Distributor - BQ3285LFSS-A1TR BQ3285P-SB2 BQ3285S-SB2 - CHIPSIC

Part Number	Manufacturer / Brand	Brife Description	Part Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
BQ3285LFSS-A1TR	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-QSOP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 5.5 V	2.4 V ~ 4 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP/QSOP
BQ3285P-SB2	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-DIP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 4 V	-	0°C ~ 70°C	Through Hole	24-DIP (0.600", 15.24mm)	24-PDIP
BQ3285S-SB2	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-SOP	Not For New Designs	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 4 V	-	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
BQ3285S-SB2TR	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 4 V	-	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
BQ3287EAMT	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-DIP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	-	0°C ~ 70°C	Through Hole	24-DIP Module (0.61", 15.49mm)	24-DIP Module (18.42x18.72)
BQ3287EMT	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-DIP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	-	0°C ~ 70°C	Through Hole	24-DIP Module (0.61", 15.49mm)	24-DIP Module (18.42x18.72)
BQ4285S-SB2	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 24-SOP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 4 V	-	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
BQ4802LYDSH	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets	28-SOP
BQ4802LYDW	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4802LYPW	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-TSSOP	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
BQ4802LYPWR	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-TSSOP	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
BQ4802YDSH	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets	28-SOP
BQ4802YDW	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4802YPW	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-TSSOP	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP
BQ4845S-A4	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4845S-A4N	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4845S-A4NTR	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4845YS-A4	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4845YS-A4N	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4845YS-A4NTR	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
BQ4847YMT	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-DIP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.3 V ~ 4 V	-	0°C ~ 70°C	Through Hole	28-DIP Module (0.61", 15.49mm)	28-DIP Module (18.42x38.8)
BQ4850YMA-85N	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 32-DIP	Obsolete	Clock/Calendar	Alarm	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	1mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.61", 15.49mm)	32-DIP Module (18.42x52.96)
DP8573AV/NOPB	Texas Instruments	IC RTC CLOCK/CALENDAR PAR 28-PLCC	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.2 V ~ 5.1 V	1µA @ 5V	-40°C ~ 85°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
DS1744WP-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	3V	2mA @ 3.3V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module

Manufacturers for Clock/Timing - Real Time Clocks