MR27V802D

¡ Semiconductor MR27V802D 524,288-Word x 16-Bit or 1,048,576-Word x 8-Bit One Time PROM DESCRIPTION 1A The MR27V802D is a 8Mbit electrically Programmable Read-Only Memory whose configuration can be electrically switched between 524,288 word x 16bit and 1,048,576 word x 8bit. The MR27V802D operates on a single +3V-3.3V power supply and is TTL compatible. Since the MR27V802D operates asynchronously , external clocks are not required , making this device easy-to-use. The MR27V802D is suitable as large-capacity fixed memory for microcomputers and data terminals. It is manufactured using a CMOS double silicon gate technology and is offered in 42-pin DIP, 44-pin SOP or 44-pin TSOP packages. FEATURES 524,288 word x 16bit / 1,048,576 word x 8bit electrically switchable configuration Single +3V-3.3V power supply Access time 100ns access time (Vcc=+3V) 80ns access time (Vcc=+3.3V) Input / Output TTL compatible Three-state output Packages 42-pin plastic DIP (DIP42-P-600-2.54) (Product name : MR27V802DRA) 44-pin plastic SOP (SOP44-P-600-1.27-K) (Product name : MR27V802DMA) 44-pin plastic TSOP (TSOP II 44-P-400-0.80-K) (Product name : MR27V802DTP) November 1999 1/11 MR27V802D PIN CONFIGURATION (TOP VIEW) A18 1 A17 2 A7 3 A6 4 A5 5 A4 6 A3 7 A2 8 A1 9 A0 10 CE 11 VSS 12 OE 13 D0 14 D8 15 D1 16 D9 17 D2 18 D10 19 D3 20 D11 21 42 NC 41 A8 40 A9 39 A10 38 A11 37 A12 36 A13 35 A14 34 A15 33 A16 NC 1 A18 2 A17 3 A7 4 A6 5 A5 6 A4 7 A3 8 A2 9 A1 10 44 NC 43 NC 42 A8 41 A9 ...