HN27C4000G Datasheet | Hitachi Semiconductor

Features - Organization: 524288-word × 8-bit/262144word × 16-bit (BYTE /VPP enables selection byte-wide or word-wide) - High speed: Access time 100 ns/120 ns/150 ns (max) Burst access time 50 ns/60 ns/60 ns (max) - Low power dissipation: Standby mode; 5 µW (typ), Active mode; 150 m W/MHz (typ) - Fast high reliability page programming, fast high-reliability programming and option programming: Program voltage; +12.5 V DC Program time; 3.5 sec (min) (Theoretical in Page programming) - Inputs and outputs TTL patible during both read and program modes - Pin arrangement: 40-pin EIAJ standard pin patible with HN62414/ HN62434 - Device identifier mode: Manufacturer code and device code w w w .d h s a t a u 4 t e e m o .c .. HN27C4000G Series Pin Arrangement HN27C4000G Series A17 A7 A6 A5 A4 A3 A2 A1 A0 CE VSS OE I/O0 I/O8 I/O1 I/O9 I/O2 I/O10 I/O3 I/O11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE/VPP VSS I/O15/A-1 I/O7 I/O14 I/O6 I/O13 I/O5 I/O12 I/O4 VCC (Top view) Ordering Information Type No. HN27C4000G-10 HN27C4000G-12 HN27C4000G-15 Access time 100 ns 120 ns 150 ns Package 600-mil 40-pin cerdip (DG-40A) Pin Description Pin name A0 - A17 I/O0 - I/O14 I/O15/A-1 CE OE VCC BYTE/VPP VSS Function Address Input/output Input/output/address Chip enable Output enable Power supply Byte/word selection/ Programming power supply Ground HN27C4000G Series Block Diagram A7 : : : : : : : : : : : : A17 XDecoder 2,048 x 2,048 Memory Matrix I/O0 : : : I/O15 Input Data Control Y-Gating Y-Decoder CE OE VCC V PP VSS A0 - - . . . A6 : High threshold inverter Mode Selection Pin Mode Read (X16 bit) Read (X8 bit) Output disable (X16 bit) Output disable (X8 bit) DG-40A CE (10) VIL VIL VIL VIL OE (12) VIL VIL VIH VIH A9 (39) X X X X BYTE/VPP VCC (31) VIH VIL VIH VIL (21) VCC VCC VCC VCC I/O0 - I/O7, I/O8 - I/O14, I/O15/A-1...