MT28F322D20 Micron Technology, MT28F322D20 Datasheet - Page 3

• Manufacturer Part Number: MT28F322D20
• Description: (MT28F322D18 / MT28F322D20) FLASH MEMORY
• Manufacturer: Micron Technology

PART NUMBERING INFORMATION
eral different combinations of features (see Figure 1).
2 Meg x 16 Async/Page/Burst Flash Memory
MT28F322D20FH_4.p65 – Rev. 4, Pub. 7/02
Micron’s low-power devices are available with sev-
Flash Family
28F = Dual-Supply Flash
Density/Organization/Banks
322 = 32Mb (2,048K x 16)
Micron Technology
Read Mode Operation
D = Asynchronous/Page/Burst Read
Operating Voltage Range
18 = 1.70V–1.90V
20 = 1.80V–2.20V V
20 = 1.80V–2.25V V
bank a = 1/4; bank b = 3/4
PART NUMBER
MT28F322D20FH-705 BET
MT28F322D20FH-705 TET
MT28F322D20FH-804 BET
MT28F322D20FH-804 TET
MT28F322D18FH-705 BET
MT28F322D18FH-705 TET
MT28F322D18FH-804 BET
MT28F322D18FH-804 TET
CC
CC
Q
MT 28F 322 D20 FH-80 4 B ET
Valid Part Number Combinations
TIME (ns)
ACCESS
Part Number Chart
70
70
80
80
70
70
80
80
Figure 1
Table 2
ASYNC/PAGE/BURST FLASH MEMORY
BOOT BLOCK
STARTING
ADDRESS
3
Bottom
Bottom
Bottom
Bottom
Top
Top
Top
Top
Valid combinations of features and their corresponding
part numbers are listed in Table 2.
Micron Technology, Inc., reserves the right to change products or specifications without notice.
FREQUENCY
BURST
(MHz)
54
54
40
40
52
52
40
40
Package Code
FH = 58-ball FBGA (8 x 7 grid)
Boot Block Starting Address
B = Bottom boot
T = Top boot
Burst Mode Frequency
Blank = None
4 = 40 MHz
5 = 54 MHz (MT28F322D20) or
Access Time
-70 = 70ns
-80 = 80ns
Operating Temperature Range
ET = Extended (-40ºC to +85ºC)
52 MHz (MT28F322D18)
TEMPERATURE
-40
-40
-40
-40
-40
-40
-40
-40
OPERATING
RANGE
o
o
o
o
o
o
o
o
C to +85
C to +85
C to +85
C to +85
C to +85
C to +85
C to +85
C to +85
2 MEG x 16
o
o
o
o
o
o
o
o
C
C
C
C
C
C
C
C
©2002, Micron Technology, Inc.