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74HCT257DB中文资料PDF规格书
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厂商型号 |
74HCT257DB |
参数属性 | 74HCT257DB 封装/外壳为16-SSOP(0.209",5.30mm 宽);包装为管件;类别为集成电路(IC) > 信号开关,多路复用器,解码器;产品描述:IC MULTIPLEXER 4 X 2:1 16SSOP |
功能描述 | Quad 2-input multiplexer; 3-state |
文件大小 |
185.52 Kbytes |
页面数量 |
17 页 |
生产厂商 | NXP Semiconductors |
企业简称 |
nxp【恩智浦】 |
中文名称 | 恩智浦半导体公司官网 |
原厂标识 | ![]() |
数据手册 | |
更新时间 | 2024-6-19 19:07:00 |
74HCT257DB规格书详情
General description
The 74HC257; 74HCT257 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).
The 74HC257 and 74HCT257 have four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S).
The data inputs from source 0 (1I0 to 4I0) are selected when input S is LOW and the data inputs from source 1 (1I1 to 4I1) are selected when S is HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the selected inputs.
The 74HC257 and 74HCT257 are the logic implementation of a 4-pole, 2-position switch, where the position of the switch is determined by the logic levels applied to S. The outputs are forced to a high-impedance OFF-state when OE is HIGH.
Features
■ Non-inverting data path
■ 3-state outputs interface directly with system bus
■ Complies with JEDEC standard no. 7A
■ ESD protection:
♦ HBM JESD22-A114E exceeds 2000 V
♦ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C
产品属性
- 产品编号:
74HCT257DB,118
- 制造商:
Nexperia USA Inc.
- 类别:
集成电路(IC) > 信号开关,多路复用器,解码器
- 系列:
74HCT
- 包装:
管件
- 类型:
多路复用器
- 电路:
4 x 2:1
- 电流 - 输出高、低:
6mA,6mA
- 供电电压源:
单电源
- 电压 - 供电:
4.5V ~ 5.5V
- 工作温度:
-40°C ~ 125°C
- 安装类型:
表面贴装型
- 封装/外壳:
16-SSOP(0.209",5.30mm 宽)
- 供应商器件封装:
16-SSOP
- 描述:
IC MULTIPLEXER 4 X 2
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
Nexperia(安世) |
22+ |
SSOP-16 |
9852 |
只做原装正品现货,或订货假一赔十! |
询价 | ||
Nexperia(安世) |
23+ |
SSOP16208mil |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
NXP |
22+ |
NA |
45000 |
加我QQ或微信咨询更多详细信息, |
询价 | ||
NEXPERIA/安世 |
23+ |
16-SOIC |
90000 |
只做原厂渠道价格优势可提供技术支持 |
询价 | ||
Nexperia(安世) |
21+ |
SSOP-16 |
4750 |
中国航天工业部战略合作伙伴行业领导者 |
询价 | ||
Nexperia |
22+ |
NA |
500000 |
万三科技,秉承原装,购芯无忧 |
询价 | ||
Nexperia(安世) |
23+ |
SSOP16208mil |
2886 |
原装现货,免费供样,技术支持,原厂对接 |
询价 | ||
Nexperia(安世) |
1923+ |
SSOP-16 |
2260 |
向鸿只做原装正品,我们没有假货!仓库库存优势 |
询价 | ||
TI/德州仪器 |
23+ |
SOT23-5 |
69820 |
终端可以免费供样,支持BOM配单! |
询价 | ||
Nexperia USA Inc. |
22+/23+ |
16-SO |
7500 |
原装进口公司现货假一赔百 |
询价 |