型号 功能描述 生产厂家 企业 LOGO 操作
SN54HCT257

Quadruple 2-Line to 1-Line Data Select RS/Multiplexers With 3-State Outputs

1 Features • Operating voltage range of 4.5 V to 5.5 V • High-current3-state outputs interface directly with system bus • Typical tpd = 17 ns • Low power consumption, 80-μA max ICC • ±6-mA output drive at 5 V • Low input current of 1 μA max • Inputs are TTL-voltage compatible • Provide bu

TI

德州仪器

SN54HCT257

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

TI

德州仪器

SN54HCT257

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

文件:272.65 Kbytes Page:9 Pages

TI

德州仪器

SN54HCT257

QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS

文件:267.33 Kbytes Page:8 Pages

TI

德州仪器

SN54HCT257

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

文件:462.75 Kbytes Page:13 Pages

TI

德州仪器

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

文件:462.75 Kbytes Page:13 Pages

TI

德州仪器

High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs

Features • Buffered Inputs • Typical Propagation Delay ( In to Output ) = 12ns at VCC = 5V, CL = 15pF, TA = 25oC • Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads • Wide Operating T

TI

德州仪器

HCT257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE HCT258 QUAD 2 CHANNEL MULTIPLEXER 3-STATE, INVERTING

DESCRIPTION The M54/74HCT257 and the M54/74HCT258 are high speed CMOS MULTIPLEXERs fabricated with silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. ■ HIGH SPEED tPD = 16 ns (TYP.) at VCC = 5 V ■ LOW POWER DISSIPATI

STMICROELECTRONICS

意法半导体

High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs

文件:276.13 Kbytes Page:12 Pages

TI

德州仪器

更新时间:2026-1-3 10:28:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/德州仪器
23+
DIP20
3000
原装渠道现货库存价格优势
HAR
24+
n/a
1000
现货
TI/德州仪器
24+
DIP20
482
只供应原装正品 欢迎询价
TI/德州仪器
24+
DO-35
9600
原装现货,优势供应,支持实单!
1440
专业铁帽
CDIP
8
原装铁帽专营,代理渠道量大可订货
TI(德州仪器)
23+
-
15000
专业帮助客户找货 配单,诚信可靠!
TI
25+
CDIP
6590
全新现货
TI
25+
DIP
4500
全新原装、诚信经营、公司现货销售!
Texas Instruments(德州仪器)
24+
CDIP
690000
代理渠道/支持实单/只做原装
最新
2000
原装正品现货

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