TPT24857 Datasheet Memory Card Voltage-level Translator

Manufacturer: 3PEAK

Overview: TPT24857 SD 3.0-SDR104 compliant memory card Voltage-Level Translator.

Datasheet Details

Part number	TPT24857
Manufacturer	3PEAK
File Size	672.28 KB
Description	memory card Voltage-Level Translator
Datasheet	TPT24857-3PEAK.pdf

General Description

The TPT24857 is an SD 3.0 spec-compliant memory card voltage-level translator with bidirectional control.

It is designed to translate voltage between voltage 1.8 V to 3.0 V in card side and 1.2 V to 1.8 V in host side.

The device supports SD 3.0 SDR104 in high speed mode, and covers down to SDR50, DDR50, SDR25, SDR12 & SD 2.0 (50 MHz and 25 MHz) modes.

Key Features

SD 3.0 spec-compliant voltage translation to support SDR104 mode.
Supports high speed clock, up to 208 MHz.
1.2 V to 1.8 V host side interface voltage support.
100 mA peak current regulator to supply the card- side I/Os.
Low power consumption by push-pull output stage.
Automatic enable and disable through VSD.
Integrated pull-up and pull-down resistors: no external resistors required.
Integrated EMI filters suppress higher harmonics of digital I/Os.

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