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74AC08M [STMICROELECTRONICS]

QUAD 2-INPUT AND GATE; 四2输入与门
74AC08M
型号： 74AC08M
厂家： ST    ST
描述：

QUAD 2-INPUT AND GATE
四2输入与门

输入元件
文件： 总7页 (文件大小：70K)
中文：  中文翻译
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74AC08  
QUAD 2-INPUT AND GATE  
■
■
HIGH SPEED: tPD = 4 ns (TYP.) at VCC = 5V  
LOW POWER DISSIPATION:  
ICC = 4 µA (MAX.) at TA = 25 oC  
HIGH NOISE IMMUNITY:  
■
■
■
■
■
■
■
VNIH = VNIL = 28% VCC (MIN.)  
50Ω TRANSMISSION LINE DRIVING  
CAPABILITY  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL =24 mA (MIN)  
BALANCED PROPAGATION DELAYS:  
tPLH tPHL  
OPERATING VOLTAGE RANGE:  
B
M
(Plastic Package)  
(Micro Package)  
ORDER CODES :  
74AC08B  
74AC08M  
wiring C2MOS technology. It is ideal for low  
power applications mantaining high speed  
operation similar to equivalent Bipolar Schottky  
TTL.  
The internal circuit is composed of 2 stages  
including buffer output, which enables high noise  
immunity and stable output.  
VCC (OPR) = 2V to 6V  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 08  
IMPROVED LATCH-UP IMMUNITY  
DESCRIPTION  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
The AC08 is an advanced high-speed CMOS  
QUAD 2-INPUT AND GATE fabricated with  
sub-micron silicon gate and double-layer metal  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/7  
April 1997  
74AC08  
INPUT AND OUTPUT EQUIVALENT CIRCUIT  
PIN DESCRIPTION  
PIN No  
1, 4, 9, 12  
2, 5, 10, 13  
3, 6, 8, 11  
7
SYMBOL NAME AND FUNCTION  
1A to 4A Data Inputs  
1B to 4B Data Inputs  
1Y to 4Y Data Outputs  
GND  
VCC  
Ground (0V)  
14  
Positive Supply Voltage  
TRUTH TABLE  
A
L
B
Y
L
L
L
H
L
H
L
L
H
H
H
ABSOLUTE MAXIMUM RATINGS  
Symbol  
VCC  
VI  
Parameter  
Value  
Unit  
V
Supply Voltage  
-0.5 to +7  
DC Input Voltage  
DC Output Voltage  
DC Input Diode Current  
-0.5 to VCC + 0.5  
-0.5 to VCC + 0.5  
± 20  
V
VO  
V
IIK  
mA  
mA  
mA  
mA  
oC  
oC  
IOK  
DC Output Diode Current  
DC Output Current  
± 20  
IO  
± 50  
ICC or IGND DC VCC or Ground Current  
± 200  
Tstg  
Storage Temperature  
-65 to +150  
TL  
Lead Temperature (10 sec)  
300  
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.  
RECOMMENDED OPERATING CONDITIONS  
Symbol  
VCC  
VI  
Parameter  
Value  
2 to 6  
Unit  
V
Supply Voltage  
Input Voltage  
Output Voltage  
0 to VCC  
0 to VCC  
-40 to +85  
8
V
VO  
V
oC  
Top  
Operating Temperature:  
dt/dv  
Input Rise and Fall Time VCC = 3.0, 4.5 or 5.5 V(note 1)  
ns/V  
1) VIN from30% to 70% of VCC  
2/7  
74AC08  
DC SPECIFICATIONS  
Symbol  
Parameter  
Test Conditions  
Value  
TA = 25 oC  
Min. Typ. Max. Min. Max.  
Unit  
VCC  
(V)  
-40 to 85 oC  
VIH  
High Level Input Voltage  
Low Level Input Voltage  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
5.5  
5.5  
VO = 0.1 V or  
2.1  
1.5  
2.25  
2.75  
1.5  
2.1  
V
CC - 0.1 V  
V
V
3.15  
3.85  
3.15  
3.85  
VIL  
VO = 0.1 V or  
0.9  
0.9  
V
CC - 0.1 V  
2.25 1.35  
2.75 1.65  
2.99  
1.35  
1.65  
VOH  
High Level Output  
Voltage  
IO=-50 µA  
2.9  
4.4  
2.9  
4.4  
(*)  
IO=-50 µA  
IO=-50 µA  
IO=-12 mA  
IO=-24 mA  
IO=-24 mA  
IO=50 µA  
IO=50 µA  
IO=50 µA  
IO=12 mA  
IO=24 mA  
IO=24 mA  
4.49  
VI  
=
5.4  
5.49  
5.4  
VIH or  
VIL  
V
V
2.56  
3.86  
4.86  
2.46  
3.76  
4.76  
VOL  
Low Level Output  
Voltage  
0.002  
0.001  
0.001  
0.1  
0.1  
0.1  
0.1  
(*)  
VI  
=
0.1  
0.1  
VIH or  
VIL  
0.36  
0.36  
0.36  
±0.1  
4
0.44  
0.44  
0.44  
±1  
II  
Input Leakage Current  
VI = VCC or GND  
VI = VCC or GND  
µA  
µA  
ICC  
Quiescent Supply  
Current  
40  
IOLD  
IOHD  
Dynamic Output Current  
(note 1, 2)  
5.5  
VOLD = 1.65 V max  
VOHD = 3.85 V min  
75  
mA  
mA  
-75  
1) Maximum test duration 2ms, one output loaded at time  
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50 Ω.  
(*) All outputs loaded.  
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf =3 ns)  
Symbol  
Parameter  
Test Condition  
Value  
TA = 25 oC  
Min. Typ. Max. Min. Max.  
Unit  
VCC  
(V)  
3.3(*)  
5.0(**)  
-40 to 85 oC  
tPLH  
tPHL  
Propagation Delay Time  
1.5  
1.5  
5
4
9
7
1
1
10  
8
ns  
(*) Voltage range is 3.3V ± 0.3V  
(**) Voltage range is5V ± 0.5V  
CAPACITIVE CHARACTERISTICS  
Symbol  
Parameter  
Test Conditions  
Value  
TA = 25 oC  
Unit  
VCC  
-40 to 85 oC  
(V)  
Min. Typ. Max. Min. Max.  
CIN  
Input Capacitance  
4
5.0  
5.0  
pF  
pF  
CPD  
Power Dissipation  
27  
Capacitance (note 1)  
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to  
Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN +ICC/n (per circuit)  
3/7  
74AC08  
TEST CIRCUIT  
CL = 50 pF or equivalent (includes jig and probe capacitance)  
RL =R1 = 500Ω or equivalent  
RT =ZOUT of pulse generator (typically 50Ω)  
WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)  
4/7  
74AC08  
Plastic DIP14 MECHANICAL DATA  
mm  
inch  
TYP.  
DIM.  
MIN.  
0.51  
1.39  
TYP.  
MAX.  
MIN.  
0.020  
0.055  
MAX.  
a1  
B
b
1.65  
0.065  
0.5  
0.020  
0.010  
b1  
D
E
e
0.25  
20  
0.787  
8.5  
2.54  
15.24  
0.335  
0.100  
0.600  
e3  
F
7.1  
5.1  
0.280  
0.201  
I
L
3.3  
0.130  
Z
1.27  
2.54  
0.050  
0.100  
P001A  
5/7  
74AC08  
SO14 MECHANICAL DATA  
mm  
inch  
TYP.  
DIM.  
MIN.  
TYP.  
MAX.  
1.75  
0.2  
MIN.  
MAX.  
0.068  
0.007  
0.064  
0.018  
0.010  
A
a1  
a2  
b
0.1  
0.003  
1.65  
0.46  
0.25  
0.35  
0.19  
0.013  
0.007  
b1  
C
0.5  
0.019  
c1  
D
45 (typ.)  
8.55  
5.8  
8.75  
6.2  
0.336  
0.228  
0.344  
0.244  
E
e
1.27  
7.62  
0.050  
0.300  
e3  
F
3.8  
4.6  
0.5  
4.0  
5.3  
0.149  
0.181  
0.019  
0.157  
0.208  
0.050  
0.026  
G
L
1.27  
0.68  
M
S
8 (max.)  
P013G  
6/7  
74AC08  
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the  
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No  
license is granted by implication or otherwise underany patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned  
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.  
SGS-THOMSON Microelectronics productsare notauthorized for use as criticalcomponents in life supportdevices or systems withoutexpress  
written approval of SGS-THOMSON Microelectonics.  
1997 SGS-THOMSON Microelectronics - Printedin Italy - All Rights Reserved  
SGS-THOMSON Microelectronics GROUP OF COMPANIES  
Australia- Brazil - Canada - China - France - Germany - Hong Kong - Italy- Japan- Korea - Malaysia- Malta- Morocco - TheNetherlands -  
Singapore - Spain- Sweden- Switzerland - Taiwan - Thailand - United Kingdom - U.S.A  
.
7/7  

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