17 Mar SN SN74LS74A, SN74S DUAL D TYPE POSITIVE EDGE TRIGGERED FLIP FLOPS WITH PRESET AND CLEAR. SDLS Description: The NTE contains two independent D-type positive-edge- triggered flip-flops in a Lead DIP type package characterized for operating from 0°. SN datasheet, SN circuit, SN data sheet: TI – DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR.

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Products conform to specifications per the terms of Texas Instruments standard warranty. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock datasheet 7474. Customers should contact their board assembly site datasheet 7474 stencil design recommendations.

Full text of “Texas Instruments datasheet”

Customers should contact their board fabrication site for solder mask tolerances between and around signal pads. Device has been datasheet 7474 but is not in production. Tl has discontinued datasheet 7474 production of the device. Body dimensions do not include mold flash or protrusion, not to exceed 0, All linear dimensions are in millimeters.

Not recommended for new designs. This drawing is subject to change without notice.

If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. Furthermore, this con- figuration is nonstable; that is, it will not persist when either preset or clear returns to its inactive high level.

All linear dimensions are in inches millimeters. Load circuits and voltage waveforms are shown in Section 1. Device is in production to datasheet 7474 existing customers, but Tl does datasheet 7474 recommend using this part in a new design. Datasheet 7474 is measured with the Q and Q outputs high in turn. Pin numbers shown are for O, J, N, and W packages. Voltage values are datasheet 7474 respect to network ground terminal. Tl’s terms “Lead-Free” or “Pb-Free” mean semiconductor products that are compatible with the current RoFIS requirements for all 6 substances, including the requirement that lead not exceed 0.

Tl and Datasheet 7474 suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.

Index point is provided on cop for terminal identification only. Production processing does not necessarily include testing of all parameters. Publication IPC is recommended for alternate designs. At the time of measurement, the clock input is grounded. Tl bases its knowledge datasheet 7474 belief on information provided by third parties, and makes no representation or warranty as to the datasheet 7474 of such information.

Index point is provided on cap for terminal identification only on press ceramic glass datasheet 7474 seal only. See Note 2 8. Tl has taken and continues to take datzsheet steps to provide representative datasheet 7474 accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.

This package can be hermetically sealed with a ceramic lid using glass frit.

A low level at the preset or clear inputs sets or resets the outputs regardless of the levels of the other inputs. Product device recommended for new designs. This component has a RoHS exemption for either 1 lead-based flip-chip solder bumps used between the die and package, or 2 lead-based die adhesive used between the die and leadframe.

Refer to IPC for other stencil recommendations. Search the history of over billion datasheet 7474 pages on the Internet. Laser cutting apertures with datasheet 7474 walls and datassheet rounding corners will offer better paste release. Datasheet 7474 package is hermetically sealed with a ceramic lid using glass frit. datasheet 7474

TTL Data Sheets

Efforts are underway to better integrate information from third parties. Where designed to be soldered at high temperatures, Tl Pb-Free products are suitable for use in specified lead-free processes. Datassheet preset and clear are inactive highdata at the D input meeting the setup time requirements are datasheet 7474 to the outputs on the positive-going datasheet 7474 of the clock pulse.

Body dimensions do not datasheet 7474 mold flash or protrusion not to exceed 0, Following the hold time interval, data at the D input may be changed vatasheet affecting the levels at the outputs.

Iciear is tested with preset high and preset is tested with clear high. The 20 pin end lead shoulder width is a datasheet 7474 option, either half or full width.

IC Chip Data Sheets

Important Information and Disclaimer: Samples may or datasheet 7474 not be available. Finish options are separated by a vertical ruled line. With all outputs open.