74LS257 डाटा शीट PDF( Datasheet )

SN74LS257B SN74LS258B Quad 2-Input Multiplexer with 3-State Outputs The LSTTL / MSI SN74LS257B and the SN74LS258B are Quad 2-Input Multiplexers with 3-state outputs. Four bits of data from two sources can be se

DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers June 1989 Revised November 1999 DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers General Description These Schottky-clamped high-performance multiple

19.20 20.00 Max 16 9 7.40 Max 6.30 Unit: mm 1 1.3 1.11 Max 8 0.51 Min 2.54 Min 5.06 Max 7.62 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Weight (reference value) + 0.1

54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selecto

DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers June 1989 Revised November 1999 DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers General Description These Schottky-clamped high-performance multipl

54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selecto

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The LSTTL / MSI SN54 / 74LS257B and the SN54 / 74LS258B are Quad 2-Input Multiplexers with 3-state outputs. Four bits of data from two sources can be selected using