AM28F256A-120 Просмотр технического описания (PDF) - Advanced Micro Devices

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AM28F256A-120

256 Kilobit (32 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory with Embedded Algorithms

Advanced Micro Devices 

BLOCK DIAGRAM

VCC

VSS

VPP

WE#

State

Control

Erase

Voltage

Switch

To Array

CE#

OE#

Command

Register

Program

Voltage

Switch

Chip Enable

Output Enable

Logic

Low VCC

Detector

A0–A14

Embedded

Algorithms

Program/Erase

Pulse Timer

Y-Decoder

Address

Latch

X-Decoder

DQ0–DQ7

Input/Output

Buffers

Data

Latch

Y-Gating

262,144

Bit

Cell Matrix

18879C-1

PRODUCT SELECTOR GUIDE

Family Part Number

Speed Options (VCC = 5.0 V ±10%)

Max Access Time (ns)

CE# (E#) Access (ns)

OE# (G#) Access (ns)

Am28F256A

-70

-90

-120

-150

-200

70

90

120

150

200

70

90

120

150

200

35

35

50

55

55

Am28F256A

3

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