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CD74HC245EE4 PDF预览

CD74HC245EE4

更新时间: 2024-09-27 05:18:15
品牌 Logo 应用领域
德州仪器 - TI 总线收发器
页数 文件大小 规格书
12页 262K
描述
High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting

CD74HC245EE4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.13其他特性:WITH DIRECTION CONTROL
控制类型:COMMON CONTROL计数方向:BIDIRECTIONAL
系列:HC/UHJESD-30 代码:R-PDIP-T20
JESD-609代码:e4长度:25.4 mm
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.004 A
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:125 °C最低工作温度:-55 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE包装方法:TUBE
峰值回流温度(摄氏度):NOT SPECIFIED电源:2/6 V
Prop。Delay @ Nom-Sup:33 ns传播延迟(tpd):165 ns
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):4.5 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
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宽度:7.62 mm
Base Number Matches:1

CD74HC245EE4 数据手册

 浏览型号CD74HC245EE4的Datasheet PDF文件第2页浏览型号CD74HC245EE4的Datasheet PDF文件第3页浏览型号CD74HC245EE4的Datasheet PDF文件第4页浏览型号CD74HC245EE4的Datasheet PDF文件第5页浏览型号CD74HC245EE4的Datasheet PDF文件第6页浏览型号CD74HC245EE4的Datasheet PDF文件第7页 
CD54HC245, CD74HC245,  
CD54HCT245, CD74HCT245  
Data sheet acquired from Harris Semiconductor  
SCHS119A  
High-Speed CMOS Logic Octal-Bus Transceiver,  
Three-State, Non-Inverting  
November 1997 - Revised May 2003  
Features  
Description  
• Buffered Inputs  
The CD54HC245, CD54HCT245, and CD74HC245,  
CD74HCT245 are high-speed octal three-state bidirectional  
• Three-State Outputs  
• Bus Line Driving Capability  
[ /Title  
(CD54  
HC245  
,
transceivers  
intended  
for  
two-way  
asynchronous  
communication between data buses. They have high drive  
current outputs which enable high-speed operation while  
driving large bus capacitances. They provide the low power  
consumption of standard CMOS circuits with speeds and  
drive capabilities comparable to that of LSTTL circuits.  
• Typical Propagation Delay (A to B, B to A) 9ns at V  
o
CC  
= 5V, C = 15pF, T = 25 C  
L
A
CD54  
HCT24  
5,  
CD74  
HC245  
,
CD74  
HCT24  
5)  
/Sub-  
ject  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
The CD54HC245, CD54HCT245, CD74HC245 and  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads CD74HCT245 allow data transmission of the B bus or from  
the B bus to the A bus. The logic level at the direction input  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
(DIR) determines the direction. The output enable input  
(OE), when high, puts the I/O ports in the high-impedance  
state.  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
The HC/HCT245 is similar in operation to the HC/HCT640  
and the HC/HCT643.  
• HC Types  
- 2V to 6V Operation  
Ordering Information  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
at V  
= 5V  
TEMP.  
o
CC  
(High  
Speed  
PART NUMBER  
CD54HC245F3A  
CD54HCT245F3A  
CD74HC245E  
RANGE ( C)  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
PACKAGE  
20 Ld CERDIP  
20 Ld CERDIP  
20 Ld PDIP  
• HCT Types  
- 4.5V to 5.5V Operation  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
IL IH  
- CMOS Input Compatibility, I 1µA at V , V  
l
OL OH  
CD74HC245M  
20 Ld SOIC  
20 Ld SOIC  
20 Ld PDIP  
CD74HC245M96  
CD74HCT245E  
CD74HCT245M  
CD74HCT245M96  
Pinout  
CD54HC245, CD54HCT245  
(CERDIP)  
CD74HC245, CD74HCT245  
(PDIP, SOIC)  
20 Ld SOIC  
20 Ld SOIC  
TOP VIEW  
NOTE: When ordering, use the entire part number. The suffix 96  
denotes tape and reel.  
1
2
3
4
5
6
7
8
9
V
DIR  
A0  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
20  
19  
CC  
OE  
18 B0  
17 B1  
16 B2  
15 B3  
14 B4  
13 B5  
12  
B6  
GND 10  
11 B7  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
Copyright © 2003, Texas Instruments Incorporated  
1

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