Details, datasheet, quote on part number: M48T35AY
PartM48T35AY
CategoryMemory => NVRAM (Non-Volatile RAM) => Timekeeper
TitleTimekeeper
Description256 Kbit (32KB X8) Timekeeper SRAM
CompanyST Microelectronics, Inc.
DatasheetDownload M48T35AY datasheet
  

 

Features, Applications

FEATURES SUMMARY s INTEGRATED, ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY

BYTEWIDETM RAM-LIKE CLOCK ACCESS BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS BATTERY LOW FLAG (BOK) FREQUENCY TEST OUTPUT FOR REAL TIME CLOCK AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): ­ M48T35AY: VCC 5.5V 4.2V VPFD ­ M48T35AV: VCC 3.6V 2.7V VPFD 3.0V SELF-CONTAINED BATTERY and CRYSTAL IN THE CAPHATTM DIP PACKAGE SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHATŪ HOUSING CONTAINING THE BATTERY and CRYSTAL SNAPHATŪ HOUSING (BATTERY and CRYSTAL) IS REPLACEABLE PIN and FUNCTION COMPATIBLE WITH JEDEC STANDARD x 8 SRAMs

TABLE OF CONTENTS SUMMARY DESCRIPTION. 4 Figure 3. Logic Diagram. 4 Table 1. Signal Names. 4 Figure 4. DIP Connections. 5 Figure 5. SOIC Connections. 5 Figure 6. Block Diagram. 5 MAXIMUM RATING. 6 Table 2. Absolute Maximum Ratings. 6 DC AND AC PARAMETERS. 7 Table 3. Operating and AC Measurement Conditions. Figure 7. AC Measurement Load Circuit. Table 4. Capacitance. Table DC Characteristics.....7.....7.....7.....8

OPERATION MODES. 9 Table 6. Operating Modes. 9 READ Mode. 10 Figure 8. READ Mode AC Waveforms. 10 Table 7. READ Mode AC Characteristics. 10 WRITE Mode. 11 Figure 9. WRITE Enable Controlled, WRITE Mode AC Waveform. 11 Figure 10. Chip Enable Controlled, WRITE Mode AC Waveforms. 11 Table 8. WRITE Mode AC Characteristics. 12 Data Retention Mode. 13 Figure 11. Checking the BOK Flag Status. 13 Figure 12. Power Down/Up Mode AC Waveforms. 14 Table 9. Power Down/Up AC Characteristics. 14 Table 10. Power Down/Up Trip Points DC Characteristics. 14 CLOCK OPERATIONS. 15 Reading the Clock. 15 Table 11. Register Map. 15 Setting the Clock. 15 Stopping and Starting the Oscillator. 15 Calibrating the Clock. 16 Century Bit. 16

VCC Noise And Negative Going Transients. 17 Figure 13. Supply Voltage Protection. 17 Figure 14. Crystal Accuracy Across Temperature. 18 Figure 15. Clock Calibration. 18 PACKAGE MECHANICAL INFORMATION. 19 PART NUMBERING. 23 Table 17. SNAPHAT Battery Table. 23 REVISION HISTORY. 24


 

Some Part number from the same manufacture ST Microelectronics, Inc.
M48T35AY-10MH1 256 Kbit 32kb x8 Timekeeper SRAM
M48T35Y 256 Kbit (32KB X8) Timekeeper SRAM
M48T35Y-70MH1
M48T35Y-70MH1E
M48T35Y-70MH6 256 Kbit 32kb x8 Timekeeper SRAM
M48T35Y-70MH6E 256 Kbit (32KB X8) Timekeeper SRAM
M48T35Y-70MH6TR 256 Kbit 32kb x8 Timekeeper SRAM
M48T35Y-70PC1 256 Kbit (32KB X8) Timekeeper SRAM
M48T35Y-70PC1TR 256 Kbit 32kb x8 Timekeeper SRAM
M48T37V 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37V-10MH1 3.3v-5v 256 Kbit 32kb x8 Timekeeper SRAM
M48T37V-10MH1E 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37V-10MH1TR 3.3v-5v 256 Kbit 32kb x8 Timekeeper SRAM
M48T37V-10MH6E 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37V-10MH6TR 3.3v-5v 256 Kbit 32kb x8 Timekeeper SRAM
M48T37V-70 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37V-70MH1 3.3v-5v 256 Kbit 32kb x8 Timekeeper SRAM
M48T37Y 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37Y-10MH1 3.3v-5v 256 Kbit 32kb x8 Timekeeper SRAM
M48T37Y-70 3.3V-5V 256 Kbit (32KB X8) Timekeeper SRAM
M48T37Y-70MH1

BTA16-800BWRG : 10A - 12A - 16A 16A Triacs

M29F002BNT45P3T : 2 Mbit 256kb X8, Boot Block Single Supply Flash Memory

M87C257-80F3TR : Address Latched 256k 32k X 8 uv EPROM And OTP EPROM

PSD4135G1V-B-15J : Flash In-system-programmable Peripherals For 16-bit MCUs

PSD4235F3-15B81I : Flash In-system-programmable Peripherals For 16-bit MCUs

PSD913G2-20B81I : Configurable Memory System on a Chip For 8-bit Microcontrollers

PSD935G3-C-20B81I : Configurable Memory System on a Chip For 8-bit Microcontrollers

M2408WBN6T/S : 16kbit, 8kbit, 4kbit, 2kbit and 1kbit Serial I2C Bus Eeprom

STB18NM80 : Fet - Single Discrete Semiconductor Product 17A 800V 190W Surface Mount; MOSFET N-CH 800V 17A D2PAK Specifications: Mounting Type: Surface Mount ; FET Type: MOSFET N-Channel, Metal Oxide ; Drain to Source Voltage (Vdss): 800V ; Current - Continuous Drain (Id) @ 25° C: 17A ; Rds On (Max) @ Id, Vgs: 295 mOhm @ 8.5A, 10V ; Input Capacitance (Ciss) @ Vds: 2070pF @ 50V ; Power - Max: 190W ; Packaging:

STM8L152C4T6TR : 8-bit Ultralow Power MCU, Up To 32 KB Flash, 1 KB Data EEPROM, RTC, LCD, Timers, USART, I2C, SPI, ADC, DAC, Comparators Datasheet 8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators

 
0-C     D-L     M-R     S-Z