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产品型号U74HC244G-D20-T的Datasheet PDF文件预览

UNISONIC TECHNOLOGIES CO., LTD  
U74HC244  
CMOS IC  
OCTAL BUFFER AND LINE  
DRIVER WITH 3-STATE OUTPUT  
„
DESCRIPTION  
The U74HC244 are octal buffer and line drivers with non-inverting  
3-state outputs. When n  
high impedance.  
is High, the outputs nQ will be in the  
OE  
„
FEATURES  
* Operation voltage range: 2~6V  
* 3-state output  
* Output Drive Capability: 15 LSTTL Loads  
„ ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Lead Free  
Halogen Free  
U74HC244L-D20-T  
U74HC244L-S20-R  
U74HC244L-S20-T  
U74HC244L-P20-R  
U74HC244L-P20-T  
U74HC244G-D20-T  
U74HC244G-S20-R  
U74HC244G-S20-T  
U74HC244G-P20-R  
U74HC244G-P20-T  
DIP-20  
SOP-20  
Tube  
Tape Reel  
Tube  
SOP-20  
TSSOP-20  
TSSOP-20  
Tape Reel  
Tube  
www.unisonic.com.tw  
Copyright © 2012 Unisonic Technologies Co., Ltd  
1 of 5  
QW-R502-196.C  
U74HC244  
CMOS IC  
„
PIN CONFIGURATION  
VCC  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
1
OE  
1A1  
2Y4  
2
OE  
1Y1  
2A4  
1Y2  
3
4
1A2  
2Y3  
5
2A3  
1Y3  
2A2  
1Y4  
2A1  
6
1A3  
2Y2  
7
8
1A4  
2Y1  
9
10  
GND  
„
„
FUNCTION TABLE (each gate)  
INPUT(nOE)  
INPUT(nAn)  
OUTPUT(nYn)  
H
L
Z
H
L
H
L
L
LOGIC DIAGRAM (positive logic)  
1OE  
2OE  
1
1OE  
EN  
EN  
1Y1  
2
4
6
8
2Y1  
18  
1A1  
2A1  
1Y1  
1A1  
1A2  
1A3  
1A4  
16  
1Y2  
14  
12  
1Y3  
1Y4  
1Y2  
1Y3  
2Y2  
2Y3  
1A2  
1A3  
2A2  
2A3  
19  
2OE  
11  
13  
15  
17  
8
2Y1  
2A1  
2A2  
2A3  
2A4  
7
1Y2  
5
3
1Y3  
1Y4  
1Y4  
2Y4  
1A4  
2A4  
IEC logic symbol  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 5  
QW-R502-196.C  
www.unisonic.com.tw  
U74HC244  
CMOS IC  
„
ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)  
PARAMETER  
SYMBOL  
VCC  
RATINGS  
-0.5~7  
±20  
UNIT  
V
Supply Voltage  
Input Clamp Current  
Output Clamp Current  
Output Current  
IIK  
mA  
mA  
mA  
mA  
°C  
IOK  
±20  
IOUT  
ICC  
±35  
VCC or GND Current  
Storage Temperature  
±70  
TSTG  
-65 ~ +150  
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.  
Absolute maximum ratings are stress ratings only and functional device operation is not implied.  
„
RECOMMENDED OPERATING CONDITIONS  
PARAMETER  
Supply Voltage  
SYMBOL  
VCC  
CONDITIONS  
MIN  
2
TYP  
MAX UNIT  
6
V
V
Input Voltage  
VIN  
0
VCC  
VCC  
1000  
500  
400  
85  
Output Voltage  
VOUT  
0
V
V
CC=2V  
ns  
ns  
ns  
°C  
Input Rise or Fall Times  
Operating Temperature  
tR, tF  
TA  
VCC=4.5V  
VCC=6V  
-40  
„
STATIC CHARACTERISTICS (TA=25°C, unless otherwise specified)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
1.5  
TYP  
MAX UNIT  
V
CC=2V  
V
V
V
High-Level Input Voltage  
Low-Level Input Voltage  
VIH  
VCC=4.5V  
VCC=6V  
3.15  
4.2  
VCC=2V  
0.5  
1.35  
1.8  
V
V
VIL  
VCC=4.5V  
VCC=6V  
V
VCC=2V, IOH=-20μA  
VCC=4.5V, IOH=-20μA  
VCC=6V, IOH=-20μA  
VCC=4.5V, IOH=-6mA  
VCC=6V, IOH=-7.8mA  
VCC=2V, IOL=20μA  
VCC=4.5V, IOL=20μA  
VCC=6V, IOL=20μA  
VCC=4.5V, IOL =6mA  
VCC=6V, IOL =7.8mA  
VCC=6V, VIN=VCC or 0  
VCC=6V,VOUT=VCC or 0,VIN=VIH or VIL  
VCC=6V, VIN=VCC or 0, IOUT=0  
VCC=2V~6V  
1.9  
4.4  
1.998  
4.499  
5.999  
4.3  
V
V
High-Level Output Voltage  
Low-Level Output Voltage  
VOH  
5.9  
V
3.98  
5.48  
V
5.8  
V
0.002  
0.001  
0.001  
0.17  
0.1  
0.1  
V
V
VOL  
0.1  
V
0.26  
0.26  
±100  
±0.5  
8
V
0.15  
V
Input Leakage Current  
Output OFF-State Current  
Quiescent Supply Current  
Input Capacitance  
II(LEAK)  
IOZ  
nA  
μA  
μA  
pF  
IQ  
CIN  
3
10  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 5  
www.unisonic.com.tw  
QW-R502-196.C  
U74HC244  
CMOS IC  
„
DYNAMIC CHARACTERISTICS (TA=25°C, Input: tR, tF=6ns)  
PARAMETER SYMBOL TEST CONDITIONS  
CC=2V, CL=50pF  
MIN  
TYP  
40  
56  
13  
18  
11  
15  
75  
100  
15  
20  
13  
17  
75  
15  
13  
MAX  
UNIT  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
V
115  
165  
23  
VCC=2V, CL=150pF  
VCC=4.5V, CL=50pF  
VCC=4.5V, CL=150pF  
VCC=6V, CL=50pF  
VCC=6V, CL=150pF  
Propagation delay from input  
(A) to output(Y)  
t
PLH /tPHL  
33  
20  
28  
VCC=2V, CL=50pF  
150  
200  
30  
VCC=2V, CL=150pF  
VCC=4.5V, CL=50pF  
VCC=4.5V, CL=150pF  
VCC=6V, CL=50pF  
VCC=6V, CL=150pF  
3-state output enable time  
tPZH /tPZL  
40  
nOE to nYn  
26  
34  
V
CC=2V, CL=50pF  
PHZ /tPLZ VCC=4.5V, CL=50pF  
VCC=6V, CL=50pF  
150  
30  
3-state output disable time  
t
nOE to nYn  
26  
„
OPERATING CHARACTERISTICS  
PARAMETER  
Power Dissipation Capacitance  
SYMBOL  
Cpd  
TEST CONDITIONS  
No load  
MIN  
TYP  
35  
MAX  
UNIT  
pF  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 5  
www.unisonic.com.tw  
QW-R502-196.C  
U74HC244  
CMOS IC  
„
TEST CIRCUIT AND WAVEFORMS  
Note: CL includes probe and jig capacitance.  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 5  
QW-R502-196.C  
www.unisonic.com.tw  
配单直通车
U74HC244G-P20-T产品参数
型号:U74HC244G-P20-T
是否Rohs认证: 符合
生命周期:Active
IHS 制造商:UNISONIC TECHNOLOGIES CO LTD
零件包装代码:TSSOP
包装说明:TSSOP,
针数:20
Reach Compliance Code:compliant
风险等级:5.6
系列:HC/UH
JESD-30 代码:R-PDSO-G20
长度:6.5 mm
逻辑集成电路类型:BUS DRIVER
位数:4
功能数量:2
端口数量:2
端子数量:20
最高工作温度:85 °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):NOT SPECIFIED
传播延迟(tpd):165 ns
认证状态:Not Qualified
座面最大高度:1.2 mm
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:YES
技术:CMOS
温度等级:INDUSTRIAL
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:NOT SPECIFIED
宽度:4.4 mm
Base Number Matches:1
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