BQ4285S datasheet, PDF - EEWORLD Datasheet

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BQ4285S: DescriptionReal Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24,; CategoryThe embedded processor and controller Microcontrollers and processors; File Size942KB，23 Pages; ManufacturerBenchmarq Microelectronics Inc

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BQ4285S Overview

Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24,

BQ4285S Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Benchmarq Microelectronics Inc
Reach Compliance Code	unknown
Other features	DAYLIGHT SAVING OPTION; BACKUP & WRITE PROTECTION FOR EXTERNAL SRAM
External data bus width	8
Information access methods	PARALLEL, MUXED BUS
interrupt capability	Y
JESD-30 code	R-PDSO-G24
JESD-609 code	e0
Number of terminals	24
Number of timers	1
On-chip data RAM width	8
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	0.008192 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP24,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Certification status	Not Qualified
RAM (number of words)	114
Maximum slew rate	15 mA
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
shortest time	SECONDS
Maximum time at peak reflow temperature	NOT SPECIFIED
Volatile	YES
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK
Base Number Matches	1

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BQ4285S Related Products

	BQ4285S	BQ4285P	BQ4285Q
Description	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24,	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP24,	Real Time Clock, Volatile, 1 Timer(s), CMOS, PQCC28,
Is it Rohs certified?	incompatible	incompatible	incompatible
Maker	Benchmarq Microelectronics Inc	Benchmarq Microelectronics Inc	Benchmarq Microelectronics Inc
Reach Compliance Code	unknown	unknown	unknown
Other features	DAYLIGHT SAVING OPTION; BACKUP & WRITE PROTECTION FOR EXTERNAL SRAM	DAYLIGHT SAVING OPTION; BACKUP & WRITE PROTECTION FOR EXTERNAL SRAM	DAYLIGHT SAVING OPTION; BACKUP & WRITE PROTECTION FOR EXT SRAM; SELECTABLE INTEL/MOTOROLA TIMING
External data bus width	8	8	8
Information access methods	PARALLEL, MUXED BUS	PARALLEL, MUXED BUS	PARALLEL, MUXED BUS
interrupt capability	Y	Y	Y
JESD-30 code	R-PDSO-G24	R-PDIP-T24	S-PQCC-J28
JESD-609 code	e0	e0	e0
Number of terminals	24	24	28
Number of timers	1	1	1
On-chip data RAM width	8	8	8
Maximum operating temperature	70 °C	70 °C	70 °C
Maximum output clock frequency	0.008192 MHz	0.008192 MHz	0.008192 MHz
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	DIP	QCCJ
Encapsulate equivalent code	SOP24,.3	DIP24,.6	LDCC28,.5SQ
Package shape	RECTANGULAR	RECTANGULAR	SQUARE
Package form	SMALL OUTLINE	IN-LINE	CHIP CARRIER
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
power supply	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified
RAM (number of words)	114	114	114
Maximum slew rate	15 mA	15 mA	15 mA
Maximum supply voltage	5.5 V	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V	5 V
surface mount	YES	NO	YES
technology	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	THROUGH-HOLE	J BEND
Terminal pitch	1.27 mm	2.54 mm	1.27 mm
Terminal location	DUAL	DUAL	QUAD
shortest time	SECONDS	SECONDS	SECONDS
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Volatile	YES	YES	YES
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK
Base Number Matches	1	1	1

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