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MT28F322D18FH-70BET Datasheet(PDF) 3 Page - Micron Technology |
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MT28F322D18FH-70BET Datasheet(HTML) 3 Page - Micron Technology |
3 / 44 page 3 2 Meg x 16 Async/Page/Burst Flash Memory Micron Technology, Inc., reserves the right to change products or specifications without notice. MT28F322D20FH_4.p65 – Rev. 4, Pub. 7/02 ©2002, Micron Technology, Inc. 2 MEG x 16 ASYNC/PAGE/BURST FLASH MEMORY PART NUMBERING INFORMATION Micron’s low-power devices are available with sev- eral different combinations of features (see Figure 1). Table 2 Valid Part Number Combinations BOOT BLOCK BURST OPERATING ACCESS STARTING FREQUENCY TEMPERATURE PART NUMBER TIME (ns) ADDRESS (MHz) RANGE MT28F322D20FH-705 BET 70 Bottom 54 -40oC to +85oC MT28F322D20FH-705 TET 70 Top 54 -40oC to +85oC MT28F322D20FH-804 BET 80 Bottom 40 -40oC to +85oC MT28F322D20FH-804 TET 80 Top 40 -40oC to +85oC MT28F322D18FH-705 BET 70 Bottom 52 -40oC to +85oC MT28F322D18FH-705 TET 70 Top 52 -40oC to +85oC MT28F322D18FH-804 BET 80 Bottom 40 -40oC to +85oC MT28F322D18FH-804 TET 80 Top 40 -40oC to +85oC Figure 1 Part Number Chart Valid combinations of features and their corresponding part numbers are listed in Table 2. MT 28F 322 D20 FH-80 4 B ET Micron Technology Flash Family 28F = Dual-Supply Flash Density/Organization/Banks 322 = 32Mb (2,048K x 16) bank a = 1/4; bank b = 3/4 Access Time -70 = 70ns -80 = 80ns Read Mode Operation D = Asynchronous/Page/Burst Read Package Code FH = 58-ball FBGA (8 x 7 grid) Operating Temperature Range ET = Extended (-40ºC to +85ºC) Burst Mode Frequency Blank = None 4 = 40 MHz 5 = 54 MHz (MT28F322D20) or 52 MHz (MT28F322D18) Boot Block Starting Address B = Bottom boot T = Top boot Operating Voltage Range 18 = 1.70V–1.90V 20 = 1.80V–2.20V VCC 20 = 1.80V–2.25V VCCQ |
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