5秒后页面跳转
74LS245DCQR PDF预览

74LS245DCQR

更新时间: 2024-09-29 12:59:03
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 总线收发器
页数 文件大小 规格书
6页 70K
描述
Bus Driver/Transceiver, 1-Func, 8-Bit, True Output, TTL, CDIP20,

74LS245DCQR 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete包装说明:DIP, DIP20,.3
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.33控制类型:COMMON CONTROL
计数方向:BIDIRECTIONALJESD-30 代码:R-XDIP-T20
JESD-609代码:e0位数:8
功能数量:1端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:TRUE
封装主体材料:CERAMIC封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V子类别:Bus Driver/Transceivers
标称供电电压 (Vsup):5 V表面贴装:NO
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED翻译:N/A
Base Number Matches:1

74LS245DCQR 数据手册

 浏览型号74LS245DCQR的Datasheet PDF文件第2页浏览型号74LS245DCQR的Datasheet PDF文件第3页浏览型号74LS245DCQR的Datasheet PDF文件第4页浏览型号74LS245DCQR的Datasheet PDF文件第5页浏览型号74LS245DCQR的Datasheet PDF文件第6页 
August 1986  
Revised March 2000  
DM74LS245  
3-STATE Octal Bus Transceiver  
General Description  
Features  
These octal bus transceivers are designed for asynchro-  
nous two-way communication between data buses. The  
control function implementation minimizes external timing  
requirements.  
Bi-Directional bus transceiver in a high-density 20-pin  
package  
3-STATE outputs drive bus lines directly  
PNP inputs reduce DC loading on bus lines  
Hysteresis at bus inputs improve noise margins  
Typical propagation delay times, port-to-port 8 ns  
Typical enable/disable times 17 ns  
The device allows data transmission from the A Bus to the  
B Bus or from the B Bus to the A Bus depending upon the  
logic level at the direction control (DIR) input. The enable  
input (G) can be used to disable the device so that the  
buses are effectively isolated.  
IOL (sink current)  
24 mA  
IOH (source current)  
15 mA  
Ordering Code:  
Order Number Package Number  
Package Description  
DM74LS245WM  
DM74LS245SJ  
DM74LS245N  
M20B  
M20D  
N20A  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Connection Diagram  
Function Table  
Enable  
G
Direction  
Operation  
Control  
DIR  
L
L
L
B Data to A Bus  
A Data to B Bus  
Isolation  
H
H
X
H = HIGH Level  
L = LOW Level  
X = Irrelevant  
© 2000 Fairchild Semiconductor Corporation  
DS006413  
www.fairchildsemi.com  

与74LS245DCQR相关器件

型号 品牌 获取价格 描述 数据表
74LS245PC ETC

获取价格

Single 8-bit Bus Transceiver
74LS245PCQR FAIRCHILD

获取价格

暂无描述
74LS245SC ETC

获取价格

Single 8-bit Bus Transceiver
74LS247 ONSEMI

获取价格

LOW POWER SCHOTTKY
74LS247 HITACHI

获取价格

8CD-to-Seven-Segment Decoders/Drivers(with 15V outputs)
74LS247 TI

获取价格

BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS
74LS247DCQM FAIRCHILD

获取价格

Decoder/Driver, TTL, CDIP16,
74LS247FCQM FAIRCHILD

获取价格

Decoder/Driver, TTL, CDFP16,
74LS247PC ETC

获取价格

Decoder/Driver
74LS247PCQM FAIRCHILD

获取价格

Decoder/Driver, TTL, PDIP16,