
Real Time Clock w/242x8 NVSRAM Alarm Wake-up
| Parameter Name | Attribute value |
| Brand Name | Texas Instruments |
| Is it Rohs certified? | conform to |
| Maker | Texas Instruments |
| Parts packaging code | SSOP |
| package instruction | SSOP, SSOP24,.24 |
| Contacts | 24 |
| Reach Compliance Code | compli |
| ECCN code | EAR99 |
| maximum clock frequency | 0.032 MHz |
| External data bus width | 8 |
| Information access methods | PARALLEL, MUXED BUS |
| interrupt capability | Y |
| JESD-30 code | R-PDSO-G24 |
| JESD-609 code | e4 |
| length | 8.65 mm |
| Humidity sensitivity level | 2 |
| Number of terminals | 24 |
| Number of timers | 1 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | SSOP |
| Encapsulate equivalent code | SSOP24,.24 |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Celsius) | 260 |
| power supply | 5 V |
| Certification status | Not Qualified |
| Maximum seat height | 1.75 mm |
| 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 | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal form | GULL WING |
| Terminal pitch | 0.635 mm |
| Terminal location | DUAL |
| shortest time | SECONDS |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| Volatile | NO |
| width | 3.9 mm |
| uPs/uCs/peripheral integrated circuit type | TIMER, REAL TIME CLOCK |
| BQ3285ESSTRG4 | BQ3285ES | BQ3285EP | BQ3285ESSTR | BQ3285ESS | BQ3285ESTR | |
|---|---|---|---|---|---|---|
| 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 | SSOP | SOIC | DIP | SSOP | SSOP | SOIC |
| package instruction | SSOP, SSOP24,.24 | SOIC-24 | DIP-24 | SSOP, SSOP24,.24 | SSOP, SSOP24,.24 | SOP, SOP24,.4 |
| Contacts | 24 | 24 | 24 | 24 | 24 | 24 |
| Reach Compliance Code | compli | compliant | compliant | compli | compliant | compli |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| 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-PDSO-G24 | R-PDSO-G24 | R-PDIP-T24 | R-PDSO-G24 | R-PDSO-G24 | - |
| JESD-609 code | e4 | e4 | e3 | e4 | e4 | - |
| length | 8.65 mm | 15.4 mm | 31.75 mm | 8.65 mm | 8.65 mm | - |
| Humidity sensitivity level | 2 | 1 | - | 2 | 2 | - |
| 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 | SSOP | SOP | DIP | SSOP | SSOP | - |
| Encapsulate equivalent code | SSOP24,.24 | SOP24,.4 | DIP24,.6 | SSOP24,.24 | SSOP24,.24 | - |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | - |
| Package form | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE | IN-LINE | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | - |
| Peak Reflow Temperature (Celsius) | 260 | 260 | NOT SPECIFIED | 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 | 1.75 mm | 2.65 mm | 5.08 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 | YES | YES | NO | YES | YES | - |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | - |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | - |
| Terminal surface | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | - |
| Terminal form | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | - |
| Terminal pitch | 0.635 mm | 1.27 mm | 2.54 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 | NO | YES | YES | NO | YES | - |
| width | 3.9 mm | 7.5 mm | 15.24 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 | - |
| Factory Lead Time | - | 6 weeks | 1 week | 1 week | 1 week | 1 week |
| Part Number | Manufacturer | Description |
|---|---|---|
| BQ3285ESSTR | Rochester Electronics | 1 TIMER(S), REAL TIME CLOCK, PDSO24, 0.150 INCH, GREEN, PLASTIC, SSOP-24 |
| BQ3285ESS | Benchmarq Microelectronics Inc | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24, |
| BQ3285S-SB2 | Texas Instruments(德州仪器) | RTC IC with 114x8 NVSRAM 24-SOIC 0 to 70 |
| DS12887+ | Maxim(美信半导体) | Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ROHS COMPLIANT, ENCAPSULATED, DIP-24 |
| DS12887A+ | Maxim(美信半导体) | Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ROHS COMPLIANT, ENCAPSULATED, DIP-24 |
| MC146818P | Motorola ( NXP ) | Real Time Clock, 1 Timer(s), CMOS, PDIP24, PLASTIC, DIP-24 |
| HD146818P | Hitachi (Renesas ) | RTC(REAL TIME CLOCK PLUS RAM) |
| BQ3287AMT-SB2 | Texas Instruments(德州仪器) | Real Time Clock RTC with NVSRAM |
| BQ4287MT | Benchmarq Microelectronics Inc | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, |
| DS12887 | DALLAS | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| BQ3287AMT | Texas Instruments(德州仪器) | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| MC146818ACP | Motorola ( NXP ) | Real Time Clock, 1 Timer(s), CMOS, PDIP24, PLASTIC, DIP-24 |
| DS12B887 | Maxim(美信半导体) | Timer or RTC, Non-Volatile, PDIP24 |
| BQ3285ES | Benchmarq Microelectronics Inc | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24, |
| MC146818AP | NXP(恩智浦) | 1 TIMER(S), REAL TIME CLOCK, PDIP24, PLASTIC, DIP-24 |
| BQ3287MT-SB2 | Texas Instruments(德州仪器) | Real Time Clock RTC with NVSRAM |
| BQ3285P-SB2 | Texas Instruments(德州仪器) | Real Time Clock RTC IC with 114x8 NVSRAM |
| BQ3287MT-I | Benchmarq Microelectronics Inc | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, |
| DS12887A | DALLAS | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ENCAPSULATED-24 |
| BQ3287EAMT | Benchmarq Microelectronics Inc | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, |