BQ4845S-A4 vs BQ4845YS-A4NTR Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng BQ4845S-A4 sa pamamagitan ng Texas Instruments at BQ4845YS-A4NTR sa pamamagitan ng Texas Instruments. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Texas Instruments
BQ4845S-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4 ✓ NakahandaTexas Instruments
BQ4845YS-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845YS-A4NTR ✓ NakahandaPagsanggunian na paghahambing
| Parametro | BQ4845S-A4 | BQ4845YS-A4NTR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Kategorya | Clock & Timing | Clock & Timing |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Product Type | Parallel real-time clock with CPU supervisor | Parallel real-time clock and clock/calendar with CPU supervisor |
| Timekeeping Format | BCD, seconds through years | — |
| Crystal Frequency | 32.768 kHz | 32.768 kHz |
| Backup Battery | 3 V | — |
| Backup Clock Current | Less than 500 nA | — |
| Interface | Parallel | Parallel |
| Integrated Functions | RTC, CPU supervisor, watchdog timer, reset, interrupts, battery-low warning | — |
| Nonvolatile SRAM Control | External SRAM write protection and switchover control | — |
| Battery-Backup Switchover | On-chip | — |
| CEOUT Function | Conditional chip enable output | — |
| VOUT Function | Battery voltage output | — |
| Packhaging | 28-pin SOIC | 28-pin SOIC, 0.295 inch width, 7.50 mm |
| Package Body Width | 7.50 mm | — |
| Package Length | 0.295 inch | — |
| Uri ng Pagpapasok | Surface mount | Surface mount |
| Application Categories | Industrial control systems, point-of-sale terminals, data loggers, computers, fax machines, copiers | — |
| Current Price | [DATA_NEEDED: current distributor unit price] | — |
| Hanay ng Temperature na Operasyon | [DATA_NEEDED: operating temperature range] | — |
| Tindminan RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| MPN | — | BQ4845YS-A4NTR |
| Manufacturer | — | Texas Instruments |
| Battery Voltage Range | — | 2.3 V to 4 V |
| System Supply Condition | — | 4.5 V to 5.5 V for the stated timekeeping-current condition |
| Maximum Timekeeping Current | — | 1.5 mA at 4.5 V to 5.5 V |
| Backup Clock Operation Current | — | Less than 500 nA |
| Clock Format | — | BCD |
| Calendar Features | — | Leap year and daylight savings support |
| Supervisory Features | — | CPU supervisor and watchdog timer |
| Reset Features | — | Microprocessor reset and power-fail-related control functions |
| Nonvolatile Support | — | Battery-backup switchover and nonvolatile control for external SRAM |
| Backup Source | — | 3 V backup battery connection |
| Temperature na Operasyon | — | [DATA_NEEDED: operating temperature range] |
| Pinout | — | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet |