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74HCT245BQ PDF预览

74HCT245BQ

更新时间: 2024-01-08 01:12:17
品牌 Logo 应用领域
恩智浦 - NXP 总线驱动器总线收发器
页数 文件大小 规格书
22页 128K
描述
Octal bus transceiver; 3-state

74HCT245BQ 技术参数

Source Url Status Check Date:2013-06-14 00:00:00是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP,针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.03其他特性:WITH DIRECTION CONTROL
系列:HCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:6.5 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS TRANSCEIVER
湿度敏感等级:1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:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
传播延迟(tpd):33 ns认证状态:Not Qualified
座面最大高度:1.1 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:AUTOMOTIVE端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:4.4 mmBase Number Matches:1

74HCT245BQ 数据手册

 浏览型号74HCT245BQ的Datasheet PDF文件第2页浏览型号74HCT245BQ的Datasheet PDF文件第3页浏览型号74HCT245BQ的Datasheet PDF文件第4页浏览型号74HCT245BQ的Datasheet PDF文件第6页浏览型号74HCT245BQ的Datasheet PDF文件第7页浏览型号74HCT245BQ的Datasheet PDF文件第8页 
74HC245; 74HCT245  
Philips Semiconductors  
Octal bus tranceiver; 3-state  
Table 3:  
Symbol  
B1  
Pin description …continued  
Pin  
17  
18  
19  
20  
Description  
data input/output  
data input/output  
B0  
OE  
output enable input (active LOW)  
supply voltage  
VCC  
7. Functional description  
7.1 Function table  
Table 4:  
Function table[1]  
Input  
OE  
L
Input/output  
DIR  
L
An  
Bn  
A = B  
input  
Z
input  
B = A  
Z
L
H
H
X
[1] H = HIGH voltage level;  
L = LOW voltage level;  
X = don’t care;  
Z = high-impedance OFF-state.  
8. Limiting values  
Table 5:  
Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to  
GND (ground = 0 V).  
Symbol Parameter  
Conditions  
Min  
Max Unit  
VCC  
IIK  
supply voltage  
0.5 +7  
V
input diode current  
output diode current  
VI < 0.5 V or VI > VCC + 0.5 V  
-
-
±20  
mA  
mA  
IOK  
VO < 0.5 V or  
VO > VCC + 0.5 V  
±20  
±35  
±70  
IO  
output source or sink  
current  
VO = 0.5 V to VCC + 0.5 V  
-
mA  
ICC, IGND VCC or GND current  
-
mA  
Tstg  
Ptot  
storage temperature  
total power dissipation  
DIP20 package  
65  
+150 °C  
[1]  
-
-
750  
500  
mW  
mW  
SO20, SSOP20,  
TSSOP20 and  
DHVQFN20 packages  
[1] For DIP20 packages: above 70 °C, Ptot derates linearly with 12 mW/K.  
For SO20 packages: above 70 °C, Ptot derates linearly with 8 mW/K.  
For SSOP20 and TSSOP20 packages: above 60 °C, Ptot derates linearly with 5.5 mW/K.  
For DHVQFN20 packages: above 60 °C, Ptot derates linearly with 4.5 mW/K.  
9397 750 14502  
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.  
Product data sheet  
Rev. 03 — 31 January 2005  
5 of 22  

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