特性
-
Balanced propagation delays
-
All inputs have a Schmitt-trigger action
-
Inputs accepts voltages higher than VCC
-
Input levels:
-
The 74VHC244 operates with CMOS input level
-
The 74VHCT244 operates with TTL input level
-
-
ESD protection:
-
HBM JESD22-A114E exceeds 2000 V
-
MM JESD22-A115-A exceeds 200 V
-
CDM JESD22-C101C exceeds 1000 V
-
-
Multiple package options
-
Specified from -40°C to +85°C and from -40°C to +125°C
参数类型
| Type number | Product status | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74VHC244BQ | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 8 | low | -40~125 | 78 | 50 | DHVQFN20 |
| 74VHC244D | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 8 | low | -40~125 | 85 | 61 | SO20 |
| 74VHC244PW | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 8 | low | -40~125 | 101 | 45 | TSSOP20 |
| 74VHCT244BQ | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 8 | low | -40~125 | 78 | 50 | DHVQFN20 |
| 74VHCT244D | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 8 | low | -40~125 | 85 | 61 | SO20 |
| 74VHCT244PW | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 8 | low | -40~125 | 101 | 45 | TSSOP20 |
封装
| 型号 | 封装 | 尺寸版本 | 回流焊/波峰焊 | 包装 | 状态 | 标示 | 可订购的器件编号，（订购码(12NC)） |
|---|---|---|---|---|---|---|---|
| 74VHC244BQ |  DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | VHC244 | 74VHC244BQ,115 ( 9352 896 08115 ) | |
| 74VHC244D |  SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_118 | Active | 74VHC244D | 74VHC244D,118 ( 9352 896 11118 ) |
| 74VHC244PW |  TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | VHC244 | 74VHC244PW,118 ( 9352 896 13118 ) |
| 74VHCT244BQ | DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | VHCT244 | 74VHCT244BQ,115 ( 9352 896 09115 ) | |
| 74VHCT244D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_118 | Active | 74VHCT244D | 74VHCT244D,118 ( 9352 896 12118 ) |
| 74VHCT244PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | VHCT244 | 74VHCT244PW,118 ( 9352 896 14118 ) |
环境信息
| 型号 | 可订购的器件编号 | 化学成分 | RoHS | RHF指示符 | 无铅转换日期 |
|---|---|---|---|---|---|
| 74VHC244BQ | 74VHC244BQ,115 | 74VHC244BQ |  |   | Always Pb-free |
| 74VHC244D | 74VHC244D,118 | 74VHC244D | | | Always Pb-free |
| 74VHC244PW | 74VHC244PW,118 | 74VHC244PW | | | Always Pb-free |
| 74VHCT244BQ | 74VHCT244BQ,115 | 74VHCT244BQ | | | Always Pb-free |
| 74VHCT244D | 74VHCT244D,118 | 74VHCT244D | | | Always Pb-free |
| 74VHCT244PW | 74VHCT244PW,118 | 74VHCT244PW | | | Always Pb-free |
文档 (8)
| 文件名称 | 标题 | 类型 | 日期 |
|---|---|---|---|
| 74VHC_VHCT244 | Octal buffer_line driver; 3-state | Data sheet | 2017-07-20 |
| 74vhct244 | 74vhct244 IBIS model | IBIS model | 2013-04-07 |
| 74vhc244 | 74vhc244 IBIS model | IBIS model | 2013-04-07 |
| SOT764-1 | plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm body | Package information | 2022-06-21 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SOT360-1 | plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body | Package information | 2022-06-21 |
| 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 | 2022-06-20 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
支持
如果您需要设计/技术支持，请告知我们并填写 应答表, 我们会尽快回复您。
样品
安世半导体客户可通过我们的销售机构或直接通过在线样品商店订购样品： https://extranet.nexperia.com.
样品订单通常需要2-4天寄送时间。
如果您尚未取得安世半导体的直接采购帐号，我们的全球与区域经销网络可以协助您取得样品