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M700000002 Datasheet(PDF) 13 Page - SPANSION |
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M700000002 Datasheet(HTML) 13 Page - SPANSION |
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13 / 128 page ![]() November 25, 2003 Am70PDL127BDH/Am70PDL129BDH 11 AD VAN C E INFORM ATION PIN DESCRIPTION A20–A0 = 21 Address Inputs (Common) A21 = Address Input (Flash) A22 = Address Input (PDL127 only) (Flash) DQ15–DQ0 = 16 Data Inputs/Outputs (Common) CE#f1 = Chip Enable 1 (Flash) CE#f2 = Chip Enable 2 (Flash) (PDL129 Only) CE#1ps = Chip Enable 1 (pSRAM) CE2ps = Chip Enable 2 (pSRAM) OE# = Output Enable (Common) WE# = Write Enable (Common) RY/BY# = Ready/Busy Output and open drain. When RY/BY# = V IH, the device is ready to accept read operations and commands. When RY/BY# = VOL, the device is either executing an em- bedded algorithm or the device is executing a hardware reset opera- tion. UB#s = Upper Byte Control (pSRAM) LB#s = Lower Byte Control (pSRAM) RESET# = Hardware Reset Pin, Active Low WP#/ACC = Write Protect/Acceleration Input. When WP/ACC#= V IL, the highest and lowest two 4K-word sectors are write protected regardless of other sector protection configurations. When WP/ACC#= V IH, these sector are unprotected unless the DYB or PPB is programmed. When WP/ACC#= 12V, program and erase operations are accelerated. V CCf = Flash 3.0 volt-only single power sup- ply (see Product Selector Guide for speed options and voltage supply tolerances) V CCs = pSRAM Power Supply V SS = Device Ground (Common) ds = Data Storage NC = Pin Not Connected Internally CE#1ds = Chip Enable 1 (Am29LV640MH Flash- Data Storage) CE#2ds = Chip Enable 2 (Am29LV640MH Flash- Data Storage) RY/BY# = READY/BUSY Output (Data Stor- age) RESET#ds = Hardware Reset Pin, Active Low (Data Storage) WP#/ACCds = Write Protect/Acceleration Input (Data Storage) LOGIC SYMBOL 21 16 DQ15–DQ0 A20–A0 CE#f1 OE# WE# RESET# UB#s RY/BY# WP#/ACC A21 LB#s CE#1ps CE2ps CE#f2 (PDL129 Only) A22 (PDL127 Only) CE#2ds RESET#ds CE#1ds WP#/ACCds RY/BY#ds |
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