74LV244A
Octal buffer/line driver; 3-state
The 74LV244A is an 8-bit buffer/line driver with 3-state outputs. The device features two output enables (1OE and 2OE). A HIGH on nOE causes the associated outputs to assume a high?-?impedance OFF-state.
Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.
Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.
This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.
Features and benefits
Wide supply voltage range from 2.0 V to 5.5 V
Maximum tpd of 6.5 ns at 5 V
Typical VOL(p) < 0.8 V at VCC = 3.3 V, Tamb = 25 °C
Typical VOH(v) > 2.3 V at VCC = 3.3 V, Tamb = 25 °C
Supports mixed-mode voltage operation on all ports
IOFF circuitry provides partial Power-down mode operation
Latch-up performance exceeds 250 mA per JESD 78 Class II
- ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 3000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 2000 V
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
參數(shù)類型
| 型號 | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LV244APW | 2.0?-?5.5 | CMOS | ± 16 | 60 | 8 | low | -40~125 | 101 | 4.7 | 45 | TSSOP20 |
| 74LV244ATPW | 4.5?-?5.5 | TTL | ± 16 | 60 | 8 | low | -40~125 | 101 | 4.7 | 45 | TSSOP20 |
封裝
| 型號 | 可訂購的器件編號，（訂購碼(12NC)） | 狀態(tài) | 標(biāo)示 | 封裝 | 外形圖 | 回流焊/波峰焊 | 包裝 |
|---|---|---|---|---|---|---|---|
| 74LV244APW | 74LV244APWJ (935308259118) |
Active | LV244A |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
| 74LV244ATPW | 74LV244ATPWJ (935308261118) |
Active | LV244AT |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
環(huán)境信息
| 型號 | 可訂購的器件編號 | 化學(xué)成分 | RoHS | RHF指示符 |
|---|---|---|---|---|
| 74LV244APW | 74LV244APWJ | 74LV244APW |
|
|
| 74LV244ATPW | 74LV244ATPWJ | 74LV244ATPW |
|
|
文檔 (9)
| 文件名稱 | 標(biāo)題 | 類型 | 日期 |
|---|---|---|---|
| 74LV244A | Octal buffer/line driver; 3-state | Data sheet | 2024-07-04 |
| AN90063 | Questions about package outline drawings | Application note | 2025-10-22 |
| SOT360-1 | 3D model for products with SOT360-1 package | Design support | 2020-01-22 |
| lv244a | lv244a IBIS model | IBIS model | 2017-06-02 |
| Nexperia_document_leaflet_Logic_LV-AT_201903 | LV-A(T) logic family | Leaflet | 2019-03-19 |
| Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
| TSSOP20_SOT360-1_mk | plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body | Marcom graphics | 2017-01-28 |
| SOT360-1 | plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.2 mm body | Package information | 2024-11-15 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
支持
如果您需要設(shè)計(jì)/技術(shù)支持，請告知我們并填寫 應(yīng)答表 我們會盡快回復(fù)您。
Ordering, pricing & availability
樣品
作為 Nexperia 的客戶，您可以通過我們的銷售機(jī)構(gòu)訂購樣品。
如果您沒有 Nexperia 的直接賬戶，我們的全球和地區(qū)分銷商網(wǎng)絡(luò)可為您提供 Nexperia 樣品支持。查看官方經(jīng)銷商列表。