Real Time Clock w/242x8 NVSRAM Alarm Wake-up
| Parameter Name | Attribute value |
| Brand Name | Texas Instruments |
| Is it lead-free? | Lead free |
| Is it Rohs certified? | conform to |
| Maker | Texas Instruments |
| Parts packaging code | DIP |
| package instruction | DIP-24 |
| Contacts | 24 |
| Reach Compliance Code | compliant |
| ECCN code | EAR99 |
| Factory Lead Time | 1 week |
| maximum clock frequency | 0.032 MHz |
| External data bus width | 8 |
| Information access methods | PARALLEL, MUXED BUS |
| interrupt capability | Y |
| JESD-30 code | R-PDIP-T24 |
| JESD-609 code | e3 |
| length | 31.75 mm |
| Number of terminals | 24 |
| Number of timers | 1 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | DIP |
| Encapsulate equivalent code | DIP24,.6 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 5 V |
| Certification status | Not Qualified |
| Maximum seat height | 5.08 mm |
| Maximum supply voltage | 5.5 V |
| Minimum supply voltage | 4.5 V |
| Nominal supply voltage | 5 V |
| surface mount | NO |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal surface | Matte Tin (Sn) |
| Terminal form | THROUGH-HOLE |
| Terminal pitch | 2.54 mm |
| Terminal location | DUAL |
| shortest time | SECONDS |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| Volatile | YES |
| width | 15.24 mm |
| uPs/uCs/peripheral integrated circuit type | TIMER, REAL TIME CLOCK |
| Base Number Matches | 1 |
| BQ3285EP | BQ3285ES | BQ3285ESSTR | BQ3285ESS | BQ3285ESTR | BQ3285ESSTRG4 | |
|---|---|---|---|---|---|---|
| Description | Real Time Clock w/242x8 NVSRAM Alarm Wake-up | RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SOIC 0 to 70 | Real Time Clock w/242x8 NVSRAM Alarm Wake-up | Real Time Clock w/242x8 NVSRAM Alarm Wake-up | Real Time Clock w/242x8 NVSRAM Alarm Wake-up | Real Time Clock w/242x8 NVSRAM Alarm Wake-up |
| Brand Name | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Is it Rohs certified? | conform to | conform to | conform to | conform to | conform to | conform to |
| Maker | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Parts packaging code | DIP | SOIC | SSOP | SSOP | SOIC | SSOP |
| package instruction | DIP-24 | SOIC-24 | SSOP, SSOP24,.24 | SSOP, SSOP24,.24 | SOP, SOP24,.4 | SSOP, SSOP24,.24 |
| Contacts | 24 | 24 | 24 | 24 | 24 | 24 |
| Reach Compliance Code | compliant | compliant | compli | compliant | compli | compli |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| Factory Lead Time | 1 week | 6 weeks | 1 week | 1 week | 1 week | - |
| maximum clock frequency | 0.032 MHz | 0.032 MHz | 0.032 MHz | 0.032 MHz | - | 0.032 MHz |
| External data bus width | 8 | 8 | 8 | 8 | - | 8 |
| Information access methods | PARALLEL, MUXED BUS | PARALLEL, MUXED BUS | PARALLEL, MUXED BUS | PARALLEL, MUXED BUS | - | PARALLEL, MUXED BUS |
| interrupt capability | Y | Y | Y | Y | - | Y |
| JESD-30 code | R-PDIP-T24 | R-PDSO-G24 | R-PDSO-G24 | R-PDSO-G24 | - | R-PDSO-G24 |
| JESD-609 code | e3 | e4 | e4 | e4 | - | e4 |
| length | 31.75 mm | 15.4 mm | 8.65 mm | 8.65 mm | - | 8.65 mm |
| Number of terminals | 24 | 24 | 24 | 24 | - | 24 |
| Number of timers | 1 | 1 | 1 | 1 | - | 1 |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C | - | 70 °C |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | - | PLASTIC/EPOXY |
| encapsulated code | DIP | SOP | SSOP | SSOP | - | SSOP |
| Encapsulate equivalent code | DIP24,.6 | SOP24,.4 | SSOP24,.24 | SSOP24,.24 | - | SSOP24,.24 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | - | RECTANGULAR |
| Package form | IN-LINE | SMALL OUTLINE | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | - | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | 260 | 260 | 260 | - | 260 |
| power supply | 5 V | 5 V | 5 V | 5 V | - | 5 V |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | - | Not Qualified |
| Maximum seat height | 5.08 mm | 2.65 mm | 1.75 mm | 1.75 mm | - | 1.75 mm |
| Maximum supply voltage | 5.5 V | 5.5 V | 5.5 V | 5.5 V | - | 5.5 V |
| Minimum supply voltage | 4.5 V | 4.5 V | 4.5 V | 4.5 V | - | 4.5 V |
| Nominal supply voltage | 5 V | 5 V | 5 V | 5 V | - | 5 V |
| surface mount | NO | YES | YES | YES | - | YES |
| technology | CMOS | CMOS | CMOS | CMOS | - | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | - | COMMERCIAL |
| Terminal surface | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | - | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal form | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | - | GULL WING |
| Terminal pitch | 2.54 mm | 1.27 mm | 0.635 mm | 0.635 mm | - | 0.635 mm |
| Terminal location | DUAL | DUAL | DUAL | DUAL | - | DUAL |
| shortest time | SECONDS | SECONDS | SECONDS | SECONDS | - | SECONDS |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | - | NOT SPECIFIED |
| Volatile | YES | YES | NO | YES | - | NO |
| width | 15.24 mm | 7.5 mm | 3.9 mm | 3.9 mm | - | 3.9 mm |
| uPs/uCs/peripheral integrated circuit type | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | - | TIMER, REAL TIME CLOCK |
| Humidity sensitivity level | - | 1 | 2 | 2 | - | 2 |
| Part Number | Manufacturer | Description |
|---|---|---|
| DS12887A+ | Maxim(美信半导体) | Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ROHS COMPLIANT, ENCAPSULATED, DIP-24 |
| BQ3285EP | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDIP24, 0.600 INCH, GREEN, PLASTIC, DIP-24 |
| DS12887A | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDIP24, ENCAPSULATED, DIP-24 |
| DS12887+ | Maxim(美信半导体) | Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ROHS COMPLIANT, ENCAPSULATED, DIP-24 |
| BQ4847Y-MT | Texas Instruments(德州仪器) | 0 TIMER(S), REAL TIME CLOCK, DMA28, MODULE, DIP-28 |
| BQ3287AMT-I | Texas Instruments(德州仪器) | Real Time Clock w/114x8 NVSRAM RAM Clear Input |
| BQ4285EP | Texas Instruments(德州仪器) | Real Time Clock w/114x8 NVSRAM & NVSRAM Control |
| DS12887 | Maxim(美信半导体) | Real Time Clock |
| M48T86PC1 | ST(意法半导体) | Real Time Clock 5 Volt PC Drop-In |
| DS1285 | Maxim(美信半导体) | Timer or RTC, Volatile, CMOS, PDIP24, |
| BQ3287AMT | Benchmarq Microelectronics Inc | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, |
| DS12B887 | DALLAS | Real Time Clock |
| BQ3287MT-I | Texas Instruments(德州仪器) | Real Time Clock RTC MODULE 114x8 NV |
| M48T86PC1TR | ST(意法半导体) | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| BQ3285S-SB2 | Texas Instruments(德州仪器) | RTC IC with 114x8 NVSRAM 24-SOIC 0 to 70 |
| BQ3285ES | Texas Instruments(德州仪器) | RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SOIC 0 to 70 |
| BQ3285ESSTR | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDSO24, 0.150 INCH, GREEN, PLASTIC, SSOP-24 |
| BQ3285ESS | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDSO24, 0.150 INCH, GREEN, PLASTIC, SSOP-24 |
| BQ3285LSS | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDSO24 |
| HD146818P | Hitachi （Renesas ） | RTC(REAL TIME CLOCK PLUS RAM) |
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