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Datasheet

74F258A
(Product Specification)
05-Jan-96, 8 pages, 83 kB

General description

The 74F258A has four identical 2-input multiplexers with 3-State outputs which select 4 bits of data from two sources under control of a common Select (S) input. The I0n inputs are selected when the Select input is Low and the I1n inputs are selected when the Select input is High. Data appears at the outputs in inverted form.

The 74F258A is the logical implementation of a 4-pole, 2-position switch where the position of the switch is determined by the logic level supplied to the Select input. Outputs are forced to a High impedance ??off? state when the Output Enable input (OE) is High. All but one device must be in the High impedance state to avoid currents that would exceed the maximum ratings if outputs are tied together. Design of the output signals must ensure that there is no overlap when outputs of 3-State devices are tied together.

Features

  • Multifunction capability
  • Non-inverting data path
  • 3-State outputs
  • See 74F257A for non-inverting version


Products/packages

Type numberNorth American Type numberOrdering code (12NC)Product statusPackagePackingMarkingChemical contentLeadfree conversion date
N74F258ADN74F258AD9338 219 50602Volume productionSOT109-1
(SO16)
Tube (Signetics)Standard MarkingN74F258AD
week 6, 2004
N74F258ADN74F258AD-T9338 219 50623Volume productionSOT109-1
(SO16)
Reel Pack, SMD, 13" (Signetics)Standard MarkingN74F258AD
week 6, 2004
N74F258ANN74F258AN9338 219 40602Volume productionSOT38-4
(DIP16)
Tube (Signetics)Standard MarkingN74F258AN
Always Pb-free

Pricing/ordering/availability

Type numberOrdering code(12NC)Indicative price/unit($)RegionDistributorIn stockInventory dateBuy onlineSamples
N74F258AD9338 219  50602  0.2400     not available
N74F258AD9338 219  50623  0.2400      Order samples
N74F258AN9338 219  40602  0.2900      Order samples

Block diagrams/pinning

Technical documents

Application Notes

AN2021_1; Thermal considerations for FAST logic products (13-Mar-95)
AN202_1; Testing and specifying FAST logic (01-Jun-87)
AN203_2; Test Fixtures for High Speed Logic (02-Apr-98)
AN216_2; Arbitration in shared resource systems (18-Jul-88)

Parametrics/similar products

Type numberPackageDescriptionPropagation Delay(ns)VoltageNo. of PinsLogic Switching LevelsOutput Drive Capability
N74F258ADSOT109-1
(SO16)
Quad 2-Input Multiplexer; Inverting (3-State) 4.5 4.5-5.5 V 16 TTL -3/+24 mA
N74F258ANSOT38-4
(DIP16)
Quad 2-Input Multiplexer; Inverting (3-State) 4.5 4.5-5.5 V 16 TTL -3/+24 mA

Similar products

74F258A links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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