M68AW512D datasheet(3/18 Pages) STMICROELECTRONICS

部件名	M68AW512D

功能描述	8 Mbit 512K x16 3.0V Asynchronous SRAM

PDF	18 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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M68AW512D

SUMMARY DESCRIPTION

The M68AW512D is an 8 Mbit (8,388,608 bit)

CMOS SRAM, organized as 524,288 words by 16

bits. The device features fully static operation re-

quiring no external clocks or timing strobes, with

equal address access and cycle times. It requires

a single 2.7 to 3.6V supply. This device has a Chip

Select pin (E2) for easy memory expansion; when

it is active (E2 high) the device has an automatic

power-down feature, reducing the power con-

sumption by over 99%.

The M68AW512D is available in TFBGA48 (0.75

mm ball pitch) package.

Figure 2. Logic Diagram

Table 1. Signal Names

AI04800b

A0-A18

DQ0-DQ15

VCC

M68AW512D

VSS

A0-A18

Address Inputs

DQ0-DQ15

Data Input/Output

Chip Enable

Chip Select

Output Enable

Write Enable

Upper Byte Enable Input

Lower Byte Enable Input

VCC

Supply Voltage

VSS

Ground

Not Connected

Don’t Use as Internally Connected

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