74189 datasheet rams


5 / ncv8606在固定电压选项下提供超过500 ma的输出电流,或者在5.0 v至1.25 v范围内提供可调输出电压。这些器件专为空间受限和便携式电池供电应用而设计,并提供其他功能,如具有高psrr,低噪声操作,短路和热保护。 What data sheet parameters mean, and how they're derived. Norman E. Dye, Motorola Semiconductor Products 115 TESTING SEMICONDUCTORS Op-amp AC parameters. TJ Byers Vol. 58 No. 11 toMilUiERiJiiiiif PAGE 91 6 VIDEO NEWS 33 AUDIO UPDATE 152 Advertising and Sales What's new in this fast- Stereo imaging. Offices changing field. Larry Klein 152 ... See separate data sheet for more information. 7432 Quad 2 input OR. ... 74189 64 bit RAM (16 x 4), TS. 74190 Synchronous up / down decade counter, presettable. 74189: 64-BIT (16x4) RANDOM ACCESS MEMORY (With 3-State Outputs) Microprocessadores - Matheus Romo. LOW = Habilita memria HiGH = Sada em 3-state. 2 x 74189 = RAM 16 x 8 S3 = 8 Bits de dados (colocados ajustando as chaves) S4= Chave modos Leitura/Escrita S2 = Chave (Run Prog) Gravando Programa na RAM: S2=prog (slide anterior tambm h).