Key facts
- Brand
- STMicroelectronics
- Model
- 56B
- Category
- Other Electronics
- Documents
- 13
- Languages
- EN
- Last added
- 2012-08-10
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ST HCF4056B handbook
HCF4056B is a 7-segment decoder driver for liquid crystal displays (LCDs). The device is fabricated using CMOS process and features ultra low power and high reliability. HCF4056B provides 1 input pin and 7 output pins.
Read onlineSTMicroelectronics 56B specifications
| Supply voltage (‑BW versions) | 2.5 V to 5.5 V |
|---|---|
| Supply voltage (‑BR versions) | 1.8 V to 5.5 V |
| Maximum I²C bus speed | 400 kHz |
| Page‑write size | Up to 64 bytes per page |
| Erase/Write endurance | More than 1 Million cycles |
| Data retention | More than 40 years |
| Chip‑enable pins | Three (E0, E1, E2) |
All STMicroelectronics 56B documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- ST HCF4056B handbook
- ST HCF4556B handbook
- ST M35B32 32 Kbit 256-byte page fast program EEPROM memory accessed by SPI bus interface handbook
- ST M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF 256-Kbit serial I C bus EEPROM handbook
- ST M41T56 Serial real-time clock (RTC) with 56 bytes NVRAM handbook
- ST M41T11 Serial real-time clock (RTC) with 56 bytes of NVRAM handbook
- ST M24256-B M24128-B 256Kbit 128Kbit Serial I C Bus EEPROM With Three Chip Enable Lines handbook
- ST M24256-B M24128-B 256Kbit 128Kbit Serial I C Bus EEPROM With Three Chip Enable Lines handbook(1)
- ST STM8L052C6 Value Line 8-bit ultralow power MCU 32-KB Flash 256-bytes data EEPROM RTC LCD timers USART I2C SPI ADC handbook
- ST STM8L051F3 Value line 8-bit ultralow power MCU 8-KB Flash 256-byte data EEPROM RTC timers USART I2C SPI ADC handbook
Questions answered in these manuals
What supply voltage range is required for the M24128‑BW and M24256‑BW devices?
They operate from 2.5 V to 5.5 V.
How many erase/write cycles can the EEPROM endure?
The devices are rated for more than one million erase/write cycles.
What is the programming voltage for the M27C256B?
The device requires a programming voltage of 12.75 V ±0.25 V.
From: STMicroelectronics M27C256B 256 Kbit UV EPROM and OTP EPROM Datasheet
How much standby current does the M27C256B draw?
In standby mode the M27C256B draws about 100 µA.
From: STMicroelectronics M27C256B 256 Kbit UV EPROM and OTP EPROM Datasheet
What is the maximum supply voltage for HCC types?
The HCC devices can be powered from –0.5 V up to +20 V.
What is the recommended operating temperature range for HCF devices?
HCF devices are specified to operate between –40 °C and +85 °C.