Renesas HD74LV1G14A manual

1
2
3
4
5
6
7
8

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Renesas HD74LV1G14A, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Renesas HD74LV1G14A one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Renesas HD74LV1G14A. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Renesas HD74LV1G14A should contain:
- informations concerning technical data of Renesas HD74LV1G14A
- name of the manufacturer and a year of construction of the Renesas HD74LV1G14A item
- rules of operation, control and maintenance of the Renesas HD74LV1G14A item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Renesas HD74LV1G14A alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Renesas HD74LV1G14A, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Renesas service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Renesas HD74LV1G14A.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Renesas HD74LV1G14A item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 1 of 7 HD74LV1G14A Inverter with Schmitt–trigger Input REJ03D0067-0700 Rev.7.00 Mar 21, 2008 Description The HD74LV1G14 A has a n inve rter with schm itt–trigger input in a 5 pin packa ge. Lo w vol ta ge and high-speed operation i s suitable f or the bat tery powered products (e.g. , notebook c omput[...]

  • Page 2

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 2 of 7 Outline and Article Indication • HD74LV1G14A Marking = Control code L A VSON–5 Function Table Input A Output Y H L L H H : High level L : Low level Pin Arrangement (Top view) 5 4 V CC 1 2 3 NC IN A GND OUT Y[...]

  • Page 3

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 3 of 7 Absolute Maximum Ratings Item Symbol Ratings Unit Test Conditions Supply voltage range V CC –0.5 to 7.0 V Input voltage range *1 V I –0.5 to 7.0 V –0.5 to V CC + 0.5 Output : H or L Output voltage range *1, 2 V O –0.5 to 7.0 V V CC : OFF Input clamp current I IK –20 mA V I &l[...]

  • Page 4

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 4 of 7 Electrical Characteristic • Ta = –40 to 85 °C Item Symbol V CC (V) * Min Typ Max Unit Test condition 1.65 to 1.95 — — V CC × 0.75 2.5 — — 1.75 3.3 — — 2.31 V T + 5.0 — — 3.50 1.65 to 1.95 V CC × 0.25 — — 2.5 0.75 — — 3.3 0.99 — — V T – 5.0 1.5 — ?[...]

  • Page 5

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 5 of 7 Switching Characteristics • V CC = 1.8 ± 0. 15 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) — 16.8 32.0 1.0 34.0 C L = 15 pF Propagation delay time t PLH t PHL — 23.8 43.0 1.0 46.0 ns C L = 50 pF A Y • V CC = 2.[...]

  • Page 6

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 6 of 7 Test Circuit Pulse generator 50 Ω C L Input Output V CC L Note: C includes probe and jig capacitance. Waveforms Input Output 90% 50% 10% 50% t PHL t PLH V CC GN D V OH V OL t r t f 90% 50% 10% 50% Notes: 1. Input waveform : PRR ≤ 1 MHz, Zo = 50 Ω , t r ≤ 3 ns, t f ≤ 3 ns. 2. [...]

  • Page 7

    HD74LV1G14A REJ03D0067-0700 Rev.7.00 , Mar 21, 2008 Page 7 of 7 Package Dimensions e A EH E L L 1 Q c D b AA Pattern of terminal position areas b 2 l 1 e 1 e A 3 L P S A A 2 A 1 A A 1 A 2 b b 1 c c 1 D E e H E L L P x y b 2 e 1 l 1 Q 0.8 0 0.8 0.15 0.1 1.8 1.15 1.8 0.3 0.2 0.22 0.25 0.9 0.13 0.1 1 2.0 1.25 0.65 2.1 1.5 0.25 1.1 0.1 1.0 0.3 0.2 0.15[...]

  • Page 8

    Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights[...]