74HC257D

Quad 2-input multiplexer, 3-state, SOP, high-speed, Si-gate, -0.5 to +7 V

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Price:: US $0.09~0.13 / piece [Get Latest Price]

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	US $0.09~0.13

PartNumber:: 74HC257D

Brand:: NXP Semiconductors - nxp | Pack: SOP | D/C: 11+

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Products Upload time: 2011-09-09

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Part Number:74HC257D
US $0.09 - 0.13
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Product Summary

The 74HC257D is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). The 774HC257D has four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S). The data inputs from source 0 (1I0 to 4I0) are selected when input S is LOW and the data inputs from source 1 (1I1 to 4I1) are selected when S is HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the selected inputs. The 74HC257D is the logic implementation of a 4-pole, 2-position switch, where the position of the switch is determined by the logic levels applied to S. The outputs are forced to a high-impedance OFF-state when OE is HIGH.

Parametrics

74HC257D absolute maximum ratings: (1)VCC, supply voltage: -0.5 to +7 V; (2)IIK, input clamping current VI < .0.5 V or VI > VCC + 0.5 V: ±20 mA max; (3)IOK, output clamping current VO < .0.5 V or VO > VCC + 0.5 V: ±20 mA max; (4)IO, output current VO = .0.5 V to VCC + 0.5 V: ±35 mA max; (5)ICC, supply current: +70 mA max; (6)IGND, ground current: -70 mA max; (7)Tstg, storage temperature: -65 to +150 ℃; (8)Ptot, total power dissipation: DIP16 package: 750 mW max; SO16 package: 500 mW max;SSOP16 package: 500 mW max; TSSOP16 package: 500 mW max.

Features

74HC257D features: (1)Non-inverting data path; (2)3-state outputs interface directly with system bus; (3)Complies with JEDEC standard no. 7A; (4)ESD protection: HBM JESD22-A114E exceeds 2000 V; MM JESD22-A115-A exceeds 200 V; (5)Multiple package options; (6)Specified from -40 ℃ to +85 ℃ and from -40 ℃ to +125 ℃.