SN74HC393DR

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SN74HC393DR

IC BINARY COUNTR DL 4BIT 14SOIC

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仕様

Series 74HC
Part Status Active
Logic Type Binary Counter
Direction Up
Number of Elements 2
Number of Bits per Element 4
Reset Asynchronous
Count Rate 36 MHz
Trigger Type Negative Edge
Voltage - Supply 2 V ~ 6 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC
Base Product Number 74HC393

概要

Description

SN74HC393DR is a TI 74HC dual 4-bit binary ripple counter. It contains two independent 4-bit counters that count on rising edges of their clock inputs. Each counter has an asynchronous clear input to reset its 4 bits to zero. A ripple carry output (RCO) allows cascading counters to build larger counters. Outputs for each counter are Q0–Q3, reflecting the current count. The device is suitable for clock division, timing and event-counting tasks, and simple digital counters in a wide range of circuits. It operates from a CMOS-compatible supply (2 V to 6 V; typical 4.5–5.5 V). Inputs are CMOS compatible and the device is relatively fast for a 4-bit counter. The SN74HC393DR suffix indicates a specific packaging: a 14-pin surface-mount package (DR usually denotes the SOIC/tape-and-reel variant in TI’s naming). In short: a compact, dual 4-bit counter ideal for cascading for larger counts, clock division, and timing apps in 5 V logic systems.

Features

SN74HC393DR features (concise):
- Dual 4-bit binary counters
- Up/down counting mode
- Parallel-load (preset) inputs and load control
- Asynchronous clear (reset)
- Ripple/carry output for cascading counters
- Common clock input (for both counters) with Q0–Q3 outputs per counter
- 5V operation (HC family: typically 2V–6V supply range) and CMOS logic
- Low power, high-speed operation
- 16-pin package (DR = D-IL/SOIC style)
Note: Check the datasheet for exact pinout and timing, but these are the core features of the SN74HC393DR.

Package

SOIC-14 (14-pin Small-Outline IC) in tape-and-reel packaging (DR suffix indicates SOIC with tape/reel).

Pinout

- Pin count: 14 pins (D/SOIC 14-pin package).
- Function: Dual 4-bit binary ripple counter with independent clocks and asynchronous clears (two 4-bit counters with outputs Q0–Q3 each; includes a ripple/cascade capability).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational corporation that designs and manufactures semiconductor devices and integrated circuits.

Application

SN74HC393DR is a dual 4‑bit binary ripple counter with asynchronous clear and ripple carry out. Applications include:
- Frequency division and timing circuits (divide-by-N)
- Pulse/event counting and modulo-N counters
- Cascading to build wider counters for longer timing intervals
- Simple sequencing and state-machine counters
- Timing bases for microcontrollers and digital clocks
- LED-display counting/ticking drivers

Equivalent

Equivalents to SN74HC393DR (dual 4-bit binary counter, 14-pin):
- MC74HC393 (Motorola)
- CD74HC393 (Philips/NXP)
- TC74HC393 (Toshiba)
- 74HC393 (other vendors in the 74HC family)
Optional: 74HCT393 (TTL-input variant; not always a drop-in—check voltage/timing).

出荷

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出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

支払い

Payment Methods

支払い期間は100％前払いです。

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1. ペイパル

2. クレジット・デビットカード

3. ワイヤー 転送

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