AM29F400AT-70FI Просмотр технического описания (PDF) - Advanced Micro Devices

Номер в каталоге

Компоненты Описание

производитель

AM29F400AT-70FI

4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory

Advanced Micro Devices 

PRELIMINARY

REVISION SUMMARY

Distinctive Characteristics:

High Performance: The fastest speed option available

is now 60 ns.

Enhanced power management for standby mode:

Changed typical standby current to 1µA.

General Description:

First paragraph, first sentence should read, “...orga-

nized as 512 Kbytes of 8 bits each or 256 Kwords of 16

bits each.” Added 60 ns speed option.

Product Selector Guide:

Added -65 column (60 ns, ±5% VCC). Added -70 (70 ns,

±10% VCC) and deleted -75 speed option.

Ordering Information, Standard Products:

The -65 speed option is now listed in the example.

Valid Combinations: Added -65 and -70, and deleted -

75 speed options.

Tables 1 and 2, User Bus Operations:

Corrected WE for read operations; was don’t care (X),

is now H.

Standby Mode:

Corrected standby mode current; was 100 µA, is now

5 µA.

Table 5, Sector Address Tables (Am29F400AB):

Corrected x16 starting address for SA5; was 1C000h,

is now 28000h.

Erase Suspend:

Third paragraph, third sentence: Deleted the word “NOT.”

Operating Ranges:

VCC Supply Voltages: Added -65 and deleted -75 speed

options in the list. Changed A9 maximum to +13.0 V.

DC Characteristics:

CMOS Compatible: Revised ICC specifications. Added

Note 4 (refers to ICC3).

AC Characteristics:

Read Only Operations Characteristics: Added the -65

column and test conditions.

Replaced -75 column with -70 column.

Test Conditions, Figure 7:

Changed speed option in first CL statement from -75

to -65.

AC Characteristics:

Write/Erase/Program Operations, Alternate CE Con-

trolled Writes: Added the -65 column. Replaced -75

column with -70 column. Revised sector erase and

programming specifications.

Erase and Programming Performance:

Revised specifications in table. Clarified table and notes.

Table 7, Command Definitions

Revised Note 5 to cover all upper address bits that are

don’t care.

Deleted Note 6.

Am29F400AT/Am29F400AB

35

Share Link: