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AM42DL16X4D ๋ฐ์ดํฐ์ํธ(HTML) 9 Page - SPANSION |
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AM42DL16X4D ๋ฐ์ดํฐ์ํธ(HTML) 9 Page - SPANSION |
9 / 61 page ![]() 8 Am42DL16x4D January 9, 2002 P R E L IMINARY PIN DESCRIPTION A17โA0 = 18 Address Inputs (Common) Aโ1, A19โA18 = 3 Address Inputs (Flash) DQ15โDQ0 = 16 Data Inputs/Outputs (Common) CE#f = Chip Enable (Flash) CE#s = Chip Enable (SRAM) OE# = Output Enable (Common) WE# = Write Enable (Common) RY/BY# = Ready/Busy Output UB#s = Upper Byte Control (SRAM) LB#s = Lower Byte Control (SRAM) CIOf = I/O Configuration (Flash) CIOf = V IH = Word mode (x16), CIOf = V IL = Byte mode (x8) RESET# = Hardware Reset Pin, Active Low WP#/ACC = Hardware Write Protect/ Acceleration Pin (Flash) V CCf = Flash 3.0 volt-only single power sup- ply (see Product Selector Guide for speed options and voltage supply tolerances) V CCs = SRAM Power Supply V SS = Device Ground (Common) NC = Pin Not Connected Internally LOGIC SYMBOL 18 16 or 8 DQ15โDQ0 A0โA17 CE#f OE# WE# RESET# UB#s RY/BY# WP#/ACC Aโ1, A18โA19 LB#s CIOf CE1#s CE2s |