48LM01 datasheet(1/40 Pages) MICROCHIP

部件名	48LM01

功能描述	512-Kbit/1-Mbit SPI Serial EERAM

PDF	40 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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 2018-2019 Microchip Technology Inc.

DS20006008C-page 1

48L512/48LM01

Serial SRAM Features

• Unlimited Reads/Unlimited Writes:

- Standard serial SRAM protocol

- Symmetrical timing for reads and writes

• SRAM Array:

- 65,536 x 8 bit (48L512)

- 131,072 x 8 bit (48LM01)

• High-Speed SPI Interface:

- Up to 66 MHz

- Schmitt Trigger inputs for noise suppression

• Low-Power CMOS Technology:

- Active current: 5 mA (maximum)

- Standby current: 200 μA (at 85°C maximum)

- Hibernate current: 3 μA (at 85°C maximum)

Hidden EEPROM Backup Features

• Cell-Based Nonvolatile Backup:

- Mirrors SRAM array cell-for-cell

- Transfers all data to/from SRAM cells in

parallel (all cells at same time)

• Invisible-to-User Data Transfers:

-VCC level monitored inside device

- SRAM automatically saved on power disrupt

- SRAM automatically restored on VCC return

• 100,000 Backups Minimum (at 85°C)

• 100 Years Retention (at 55°C)

Other Features of the 48L512/48LM01

• Operating Voltage Range: 2.7V-3.6V

• Temperature Ranges:

- Industrial (I): -40°C to +85°C

• ESD Protection: >2,000V

Packages

• 48L512: 8-Lead SOIC

• 48LM01: 8-Lead SOIJ

Package Types (not to scale)

Pin Function Table

Name

Function

CS

Chip Select Input

SO

Serial Data Output

VCAP

External Capacitor

VSS

Ground

SI

Serial Data Input

SCK

Serial Clock Input

HOLD

Hold Input

VCC

Supply Voltage

8-Lead SOIC/SOIJ

CS

SO

VCAP

VSS

1

2

3

4

8

7

6

5

VCC

HOLD

SCK

SI

(Top View)

512-Kbit/1-Mbit SPI Serial EERAM

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