BQ4285EQN vs DS1287 feature comparison

BQ4285EQN Texas Instruments

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DS1287 Dallas Semiconductor

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC DALLAS SEMICONDUCTOR
Part Package Code QLCC
Package Description QCCJ, LDCC28,.5SQ DIP-18
Pin Count 28
Reach Compliance Code not_compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.39.00.01 8542.39.00.01
Clock Frequency-Max 0.032 MHz 0.032 MHz
External Data Bus Width 8 8
Information Access Method PARALLEL, MUXED BUS PARALLEL, MUXED BUS
Interrupt Capability Y Y
JESD-30 Code S-PQCC-J28 R-PDIP-T18
JESD-609 Code e0 e0
Number of Terminals 28 18
Number of Timers
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ DIP
Package Equivalence Code LDCC28,.5SQ DIP24,.6
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER IN-LINE
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 4.5 V 4.5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form J BEND THROUGH-HOLE
Terminal Pitch 1.27 mm 2.54 mm
Terminal Position QUAD DUAL
Time-Min SECONDS SECONDS
Volatile YES NO
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK TIMER, REAL TIME CLOCK
Base Number Matches 1 2
Additional Feature DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION
On Chip Data RAM Width 8
Output Clock Frequency-Max 0.008192 MHz
RAM (words) 50
Supply Current-Max 15 mA

Compare BQ4285EQN with alternatives

Compare DS1287 with alternatives