| Part Number | M41T93 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Title | Serial SPI bus RTC |
| Description | . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 SPI signal description . . . . . . . . . . . . . . . . . . .... |
| Features |
summary
■ ■ ■ 2.0 to 5.5V clock operating voltage Ultra-low battery supply current of 365nA Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century Programmable clock calibration (analog and digital) 18 QFN16, 4mm x 4mm (QA) ■ ■ Automatic switch-ov... |
| Published | Mar 19, 2007 |
| Datasheet |
 M41T93 File
|
| Part Number | M41T94 |
| Manufacturer | ST Microelectronics |
| Title | 512 Bit 64 bit x8 SERIAL RTC SPI SRAM |
| Description | . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3. Logic Diagram . . |
| Features |
SUMMARY s 2.7 TO 5.5V OPERATING VOLTAGE
s s
Figure 1. 16-pin SOIC Package
SERIAL PERIPHERAL INTERFACE (SPI) 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY CHOICE OF POWER-FAIL DESELECT VOLTAGES (VCC = 2.7 to 5.5V): – THS = VSS; 2.55V ≤ VPFD ≤ 2.70V – THS = VC. |
| Datasheet |
M41T94 File
|
