MT28F321P20 View Datasheet(PDF) - Micron Technology

Part Name

Description

Manufacturer

MT28F321P20

FLASH MEMORY

Micron Technology 

PART NUMBERING INFORMATION

Micron’s low-power devices are available with sev-

eral different combinations of features (see Figure 1).

PRELIMINARY

2 MEG x 16

PAGE FLASH MEMORY

Valid combinations of features and their correspond-

ing part numbers are listed in Table 2.

Figure 1

Part Number Chart

MT 28F 321 P20FG-70 T ET

Micron Technology

Flash Family

28F = Dual-Supply Flash

Density/Organization/Banks

321 = 32Mb (2,048K x 16)

bank a = 1/8; bank b = 7/8

Read Mode Operation

P = Asynchronous/Page Read

Operating Voltage Range

18 = 1.70V–1.90V

20 = 1.80V–2.20V

Operating Temperature Range

ET = Extended (-40ºC to +85ºC)

Boot Block Starting Address

B = Bottom boot

T = Top boot

Access Time

-70 = 70ns

-80 = 80ns

-90 = 90ns

Package Code

FG = 48-ball FBGA (6 x 8 grid)

Table 2

Valid Part Number Combinations

PART NUMBER

MT28F321P20FG-70 BET

MT28F321P20FG-70 TET

MT28F321P20FG-80 BET

MT28F321P20FG-80 TET

MT28F321P18FG-90 BET

MT28F321P18FG-90 TET

ACCESS

TIME (ns)

70

70

80

80

90

90

BOOT BLOCK

STARTING

ADDRESS

Bottom

Top

Bottom

Top

Bottom

Top

OPERATING

TEMPERATURE

RANGE

-40oC to +85oC

-40oC to +85oC

-40oC to +85oC

-40oC to +85oC

-40oC to +85oC

-40oC to +85oC

2 Meg x 16 Page Flash Memory

MT28F321P20_3.p65 – Rev. 3, Pub. 7/02

3

Micron Technology, Inc., reserves the right to change products or specifications without notice.

©2002, Micron Technology, Inc.

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