74ABT244
Octal buffer/line driver; 3-state
The 74ABT244 is an 8?-?bit buffer/line driver with 3?-?state outputs. The device can be used as two 4?-?bit buffers or one 8?-?bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3?-?state outputs. A HIGH on nOE causes the outputs to assume a high?-?impedance OFF?-?state. 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
Supply voltage range from 4.5 to 5.5 V
Octal bus interface
3-State buffers
BiCMOS high speed and output drive
Output capability: +64 mA/–32 mA
Direct interface with TTL levels
Power-up 3-State
Live insertion capability
IOFF circuitry provides partial Power-down mode operation
Latch-up protection exceeds 500 mA per JESD78 class II level A
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Specified from -40 °C to +85 °C
參數類型
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74ABT244D | 4.5?-?5.5 | TTL | -32 / +64 | 100 | 8 | medium | -40~85 | 85 | 26.7 | 61 | SO20 |
| 74ABT244PW | 4.5?-?5.5 | TTL | -32 / +64 | 100 | 8 | medium | -40~85 | 100 | 4.5 | 44.6 | TSSOP20 |
封裝
| 型號 | 可訂購的器件編號，（訂購碼(12NC)） | 狀態 | 標示 | 封裝 | 外形圖 | 回流焊/波峰焊 | 包裝 |
|---|---|---|---|---|---|---|---|
| 74ABT244D | 74ABT244D,623 (935027510623) |
Active | 74ABT244D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
暫無信息 |
| 74ABT244PW | 74ABT244PW,118 (935176420118) |
Active | ABT244 |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
下表中的所有產品型號均已停產 。
| 型號 | 可訂購的器件編號，（訂購碼(12NC)） | 狀態 | 標示 | 封裝 | 外形圖 | 回流焊/波峰焊 | 包裝 |
|---|---|---|---|---|---|---|---|
| 74ABT244D | 74ABT244D,602 (935027510602) |
Withdrawn / End-of-life | 74ABT244D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
暫無信息 |
| 74ABT244DB | 74ABT244DB,112 (935064900112) |
Obsolete | ABT244 |
SSOP20 (SOT339-1) |
SOT339-1 |
SSOP-TSSOP-VSO-WAVE
|
暫無信息 |
| 74ABT244DB,118 (935064900118) |
Obsolete | ABT244 | SOT339-1_118 |
環境信息
| 型號 | 可訂購的器件編號 | 化學成分 | RoHS | RHF指示符 |
|---|---|---|---|---|
| 74ABT244D | 74ABT244D,623 | 74ABT244D |
|
|
| 74ABT244PW | 74ABT244PW,118 | 74ABT244PW |
|
|
下表中的所有產品型號均已停產 。
| 型號 | 可訂購的器件編號 | 化學成分 | RoHS | RHF指示符 |
|---|---|---|---|---|
| 74ABT244D | 74ABT244D,602 | 74ABT244D |
|
|
| 74ABT244DB | 74ABT244DB,112 | 74ABT244DB |
|
|
| 74ABT244DB | 74ABT244DB,118 | 74ABT244DB |
|
|
文檔 (15)
| 文件名稱 | 標題 | 類型 | 日期 |
|---|---|---|---|
| 74ABT244 | Octal buffer/line driver; 3-state | Data sheet | 2024-06-24 |
| AN263 | Power considerations when using CMOS and BiCMOS logic devices | Application note | 2023-02-07 |
| AN90063 | Questions about package outline drawings | Application note | 2025-06-13 |
| mna875 | Block diagram: 74ABT2244D, 74ABT2244DB, 74ABT2244N, 74ABT2244PW, 74ABT244D, 74ABT244DB, 74ABT244N, 74ABT244PW, 74LVC244ABQ, 74LVC244ABX, 74LVC244AD, 74LVC244ADB, 74LVC244APW, 74LVCH244ABQ, 74LVCH244ABX, 74LVCH244AD, 74LVCH244ADB, 74LVCH244APW, 74LVCH245ABX, 74HC244BQ, 74HC244D, 74HC244DB, 74HC244N, 74HC244PW, 74HCT244BQ, 74HCT244D, 74HCT244DB, 74HCT244N, 74HCT244PW | Block diagram | 2009-11-03 |
| SOT163-1 | 3D model for products with SOT163-1 package | Design support | 2020-01-22 |
| SOT360-1 | 3D model for products with SOT360-1 package | Design support | 2020-01-22 |
| abt244 | abt244 IBIS model | IBIS model | 2013-04-08 |
| 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 |
| SOT163-1 | plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body | Package information | 2024-11-15 |
| SOT339-1 | plastic, shrink small outline package; 20 leads; 0.65 mm pitch; 7.2 mm x 5.3 mm x 2 mm body | Package information | 2020-04-21 |
| 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 |
| abt | abt Spice model | SPICE model | 2013-05-07 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
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