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74ACT157MTC [ROCHESTER]

Multiplexer, ACT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, 4.40 MM, MO-153, TSSOP-16;
74ACT157MTC
型号： 74ACT157MTC
厂家： Rochester Electronics    Rochester Electronics
描述：

Multiplexer, ACT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, 4.40 MM, MO-153, TSSOP-16

光电二极管 逻辑集成电路
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November 1988  
Revised November 1999  
74AC157 • 74ACT157  
Quad 2-Input Multiplexer  
General Description  
Features  
The AC/ACT157 is a high-speed quad 2-input multiplexer.  
Four bits of data from two sources can be selected using  
the common Select and Enable inputs. The four outputs  
present the selected data in the true (noninverted) form.  
The AC/ACT157 can also be used as a function generator.  
■ ICC and IOZ reduced by 50%  
■ Outputs source/sink 24 mA  
■ ACT157 has TTL-compatible inputs  
Ordering Code:  
Order Number Package Number  
Package Description  
74AC157SC  
74AC157SJ  
M16A  
M16D  
MTC16  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
74AC157MTC  
74AC157PC  
74ACT157SC  
74ACT157SJ  
74ACT157MTC  
74ACT157PC  
16 -Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
M16A  
M16D  
MTC16  
N16E  
16 -Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide  
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
Pin Descriptions  
Pin Names  
Description  
I0a–I0d  
1a–I1d  
Source 0 Data Inputs  
Source 1 Data Inputs  
Enable Input  
I
E
S
Select Input  
Za–Zd  
Outputs  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1999 Fairchild Semiconductor Corporation  
DS009929  
www.fairchildsemi.com  
Functional Description  
Truth Table  
The AC/ACT157 is a quad 2-input multiplexer. It selects  
four bits of data from two sources under the control of a  
common Select input (S). The Enable input (E) is active-  
LOW. When E is HIGH, all of the outputs (Z) are forced  
LOW regardless of all other inputs. The AC/ACT157 is the  
logic implementation of a 4-pole, 2-position switch where  
the position of the switch is determined by the logic levels  
supplied to the Select input. The logic equations for the  
outputs are shown below:  
Inputs  
Outputs  
Z
E
S
I0  
I1  
H
L
L
L
L
X
H
H
L
X
X
X
L
X
L
L
L
H
X
X
H
L
L
H
H
Z
a = E • (I1a • S + I0a • S)  
b = E • (I1b • S + I0b • S)  
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
Z
Zc = E • (I1c • S + I0c • S)  
Z
d = E • (I1d • S + I0d • S)  
A common use of the AC/ACT157 is the moving of data  
from two groups of registers to four common output bus-  
ses. The particular register from which the data comes is  
determined by the state of the Select input. A less obvious  
use is as a function generator. The AC/ACT157 can gener-  
ate any four of the sixteen different functions of two vari-  
ables with one variable common. This is useful for  
implementing gating functions.  
Logic Diagram  
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.  
www.fairchildsemi.com  
2
Absolute Maximum Ratings(Note 1)  
Recommended Operating  
Conditions  
Supply Voltage (VCC  
)
−0.5V to +7.0V  
DC Input Diode Current (IIK  
VI = −0.5V  
)
Supply Voltage (VCC  
)
−20 mA  
+20 mA  
AC  
2.0V to 6.0V  
4.5V to 5.5V  
0V to VCC  
VI = VCC + 0.5V  
ACT  
DC Input Voltage (VI)  
−0.5V to VCC + 0.5V  
Input Voltage (VI)  
Output Voltage (VO)  
DC Output Diode Current (IOK  
)
0V to VCC  
V
V
O = −0.5V  
−20 mA  
+20 mA  
Operating Temperature (TA)  
Minimum Input Edge Rate (∆V/∆t)  
AC Devices  
−40°C to +85°C  
O = VCC + 0.5V  
DC Output Voltage (VO)  
DC Output Source  
−0.5V to VCC + 0.5V  
VIN from 30% to 70% of VCC  
or Sink Current (IO)  
±50 mA  
VCC @ 3.3V, 4.5V, 5.5V  
Minimum Input Edge Rate (∆V/∆t)  
ACT Devices  
125 mV/ns  
125 mV/ns  
DC VCC or Ground Current  
per Output Pin (ICC or IGND  
)
±50 mA  
Storage Temperature (TSTG  
Junction Temperature (TJ)  
PDIP  
)
−65°C to +150°C  
VIN from 0.8V to 2.0V  
VCC @ 4.5V, 5.5V  
140°C  
Note 1: Absolute maximum ratings are those values beyond which damage  
to the device may occur. The databook specifications should be met, with-  
out exception, to ensure that the system design is reliable over its power  
supply, temperature, and output/input loading variables. Fairchild does not  
recommend operation of FACT circuits outside databook specifications.  
DC Electrical Characteristics for AC  
VCC  
T
A = +25°C  
TA = −40°C to +85°C  
Symbol  
VIH  
Parameter  
Units  
Conditions  
(V)  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
Typ  
Guaranteed Limits  
Minimum HIGH Level  
Input Voltage  
1.5  
2.1  
3.15  
3.85  
0.9  
2.1  
3.15  
3.85  
0.9  
V
OUT = 0.1V  
2.25  
2.75  
1.5  
V
or VCC − 0.1V  
VIL  
Maximum LOW Level  
Input Voltage  
V
OUT = 0.1V  
2.25  
2.75  
2.99  
4.49  
5.49  
1.35  
1.65  
2.9  
1.35  
1.65  
2.9  
V
V
or VCC − 0.1V  
VOH  
Minimum HIGH Level  
Output Voltage  
4.4  
4.4  
IOUT = −50 µA  
5.4  
5.4  
V
IN = VIL or VIH  
3.0  
4.5  
5.5  
3.0  
4.5  
5.5  
2.56  
3.86  
4.86  
0.1  
2.46  
3.76  
4.76  
0.1  
I
I
I
OH = −12 mA  
V
V
OH = −24 mA  
OH = −24 mA (Note 2)  
VOL  
Maximum LOW Level  
Output Voltage  
0.002  
0.001  
0.001  
0.1  
0.1  
I
OUT = 50 µA  
0.1  
0.1  
V
IN = VIL or VIH  
3.0  
4.5  
5.5  
0.36  
0.36  
0.36  
0.44  
0.44  
0.44  
I
I
I
OL = 12 mA  
V
OL = 24 mA  
OL = 24 mA (Note 2)  
IIN  
Maximum Input  
5.5  
±0.1  
±1.0  
µA  
V
I = VCC, GND  
(Note 4)  
IOLD  
Leakage Current  
Minimum Dynamic  
Output Current (Note 3)  
Maximum Quiescent  
Supply Current  
5.5  
5.5  
75  
mA  
mA  
V
V
V
OLD = 1.65V Max  
OHD = 3.85V Min  
IN = VCC  
IOHD  
−75  
ICC  
5.5  
4.0  
40.0  
µA  
(Note 4)  
or GND  
Note 2: All outputs loaded; thresholds on input associated with output under test.  
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.  
Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC  
.
3
www.fairchildsemi.com  
DC Characteristics for ACT  
VCC  
T
A = +25°C  
TA = −40°C to +85°C  
Symbol  
VIH  
Parameter  
Units  
Conditions  
(V)  
4.5  
5.5  
4.5  
5.5  
4.5  
5.5  
Typ  
1.5  
Guaranteed Limits  
Minimum HIGH Level  
Input Voltage  
2.0  
2.0  
0.8  
0.8  
4.4  
5.4  
2.0  
2.0  
0.8  
0.8  
4.4  
5.4  
V
OUT = 0.1V  
or VCC − 0.1V  
OUT = 0.1V  
or VCC − 0.1V  
V
V
V
1.5  
VIL  
Maximum LOW Level  
Input Voltage  
1.5  
V
1.5  
VOH  
Minimum HIGH Level  
Output Voltage  
4.49  
5.49  
I
OUT = −50 µA  
IN = VIL or VIH  
V
4.5  
5.5  
4.5  
5.5  
3.86  
4.86  
0.1  
3.76  
4.76  
0.1  
V
V
V
I
I
OH = −24 mA  
OH = −24 mA (Note 5)  
VOL  
Maximum LOW Level  
Output Voltage  
0.001  
0.001  
I
OUT = 50 µA  
0.1  
0.1  
V
IN = VIL or VIH  
4.5  
5.5  
0.36  
0.36  
0.44  
0.44  
I
I
OL = 24 mA  
OL = 24 mA (Note 5)  
IIN  
Maximum Input  
Leakage Current  
Maximum  
5.5  
5.5  
±0.1  
±1.0  
µA  
VI = VCC, GND  
VI = VCC − 2.1V  
ICCT  
0.6  
1.5  
mA  
ICC/Input  
IOLD  
IOHD  
ICC  
Minimum Dynamic  
Output Current (Note 6)  
Maximum Quiescent  
Supply Current  
5.5  
5.5  
75  
mA  
mA  
V
V
V
OLD = 1.65V Max  
OHD = 3.85V Min  
IN = VCC  
−75  
5.5  
4.0  
40.0  
µA  
or GND  
Note 5: All outputs loaded; thresholds on input associated with output under test.  
Note 6: Maximum test duration 2.0 ms, one output loaded at a time.  
AC Electrical Characteristics for AC  
VCC  
T
A = +25°C  
T
A = −40°C to +85°C  
L = 50 pF  
Max  
C
L = 50 pF  
C
Symbol  
Parameter  
(V)  
(Note 7)  
3.3  
Units  
Min  
1.5  
1.5  
1.5  
1.5  
1.5  
1.5  
Typ  
7.0  
5.5  
6.5  
5.0  
7.0  
5.5  
Max  
11.5  
9.0  
Min  
tPLH  
Propagation Delay  
1.5  
1.5  
1.5  
1.0  
1.5  
1.5  
13.0  
10.0  
12.0  
9.5  
ns  
ns  
ns  
S to Zn  
5.0  
tPHL  
Propagation Delay  
S to Zn  
3.3  
11.0  
8.5  
5.0  
tPLH  
Propagation Delay  
3.3  
11.5  
9.0  
13.0  
10.0  
5.0  
E to Zn  
tPHL  
Propagation Delay  
3.3  
5.0  
1.5  
1.5  
6.5  
5.5  
11.0  
9.0  
1.5  
1.0  
12.0  
9.5  
ns  
ns  
ns  
E to Zn  
tPLH  
Propagation Delay  
In to Zn  
3.3  
5.0  
3.3  
5.0  
1.5  
1.5  
1.5  
1.5  
5.0  
4.0  
5.0  
4.0  
8.5  
6.5  
8.0  
6.5  
1.0  
1.0  
1.0  
1.0  
9.0  
7.0  
9.0  
7.0  
tPHL  
Propagation Delay  
In to Zn  
Note 7: Voltage Range 3.3 is 3.3V ± 0.3V  
Voltage Range 5.0 is 5.0V ± 0.5V  
www.fairchildsemi.com  
4
AC Electrical Characteristics for ACT  
VCC  
TA = +25°C  
TA = −40°C to +85°C  
CL = 50 pF  
CL = 50 pF  
Symbol  
Parameter  
(V)  
Units  
(Note 8)  
Min  
Typ  
Max  
Min  
Max  
tPLH  
Propagation Delay  
5.0  
5.0  
5.0  
2.0  
5.5  
5.5  
6.0  
9.0  
1.5  
2.0  
1.5  
10.0  
10.5  
11.5  
ns  
ns  
ns  
S to Zn  
tPHL  
Propagation Delay  
S to Zn  
2.0  
1.5  
9.5  
tPLH  
Propagation Delay  
10.0  
E to Zn  
tPHL  
Propagation Delay  
5.0  
5.0  
5.0  
1.5  
1.5  
1.5  
5.0  
4.0  
4.5  
8.5  
7.0  
7.5  
1.0  
1.0  
1.0  
9.0  
8.5  
8.5  
ns  
ns  
ns  
E to Zn  
tPLH  
Propagation Delay  
In to Zn  
tPHL  
Propagation Delay  
In to Zn  
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V  
Capacitance  
Symbol  
Parameter  
Typ  
Units  
Conditions  
CIN  
Input Capacitance  
4.5  
pF  
pF  
V
V
CC = OPEN  
CC = 5.0V  
CPD  
Power Dissipation Capacitance  
50.0  
5
www.fairchildsemi.com  
Physical Dimensions inches (millimeters) unless otherwise noted  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body  
Package Number M16A  
www.fairchildsemi.com  
6
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
Package Number M16D  
7
www.fairchildsemi.com  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)  
16- Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
Package Number MTC16  
www.fairchildsemi.com  
8
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide  
Package Number N16E  
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and  
Fairchild reserves the right at any time without notice to change said circuitry and specifications.  
LIFE SUPPORT POLICY  
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT  
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD  
SEMICONDUCTOR CORPORATION. As used herein:  
1. Life support devices or systems are devices or systems  
which, (a) are intended for surgical implant into the  
body, or (b) support or sustain life, and (c) whose failure  
to perform when properly used in accordance with  
instructions for use provided in the labeling, can be rea-  
sonably expected to result in a significant injury to the  
user.  
2. A critical component in any component of a life support  
device or system whose failure to perform can be rea-  
sonably expected to cause the failure of the life support  
device or system, or to affect its safety or effectiveness.  
www.fairchildsemi.com  
9
www.fairchildsemi.com  

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