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MC74AC352 MC74ACT352 Dual 4 Input Multiplexer
The MC74AC352/74ACT352 is a very high-speed dual 4-input multiplexer with common Select inputs and individual Enable inputs for each section. It can select two bits of data from four sources. The two buffered outputs present data in the inverted (complementary) form. The MC74AC352/74ACT352 is the functional equivalent of the MC74AC153/74ACT153 except with inverted outputs. * * * * Inverted Version of the MC74AC153/74ACT153 Separate Enables for Each Multiplexer Outputs Source/Sink 24 mA ACT352 Has TTL Compatible Inputs DUAL 4-INPUT MULTIPLEXER
VCC 16
Eb 15
S0 14
I3b 13
I2b 12
I1b 11
I0b 10
Zb 9 PIN NAMES I0a-I3a I0b-I3b S0, S1 Ea Eb Za, Zb Side A Data Inputs Side B Data Inputs Common Select Inputs Side A Enable Input Side B Enable Input Multiplexer Outputs
N SUFFIX CASE 648-08 PLASTIC
1 Ea
2 S1
3 I3a
4 I2a
5 I1a
6 I0a
7 Za
8 GND
D SUFFIX CASE 751B-05 PLASTIC
TRUTH TABLE
Select Inputs S0 X L L H H L L H H S1 X L L L L H H H H E H L L L L L L L L Inputs (a or b) I0 X L H X X X X X X I1 X X X L H X X X X I2 X X X X X L H X X I3 X X X X X X X L H Output Z H H L H L H L H L Ea I0a I1a I2a I3a I0b I1b I2b I3b Eb
LOGIC SYMBOL
S0 S1
Za
Zb
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial
FACT DATA 5-1
MC74AC352 MC74ACT352
FUNCTIONAL DESCRIPTION
The MC74AC352/74ACT352 is a dual 4-input multiplexer. It selects two bits of data from up to four sources under the control of the common Select inputs (S0, S1). The two 4-input multiplexer circuits have individual active LOW Enables (Ea, Eb) which can be used to strobe the outputs independently. When the Enables (Ea, Eb) are HIGH, the corresponding outputs (Za, Zb) are forced HIGH. The logic equations for the outputs are shown below: Za = Ea*(I0a*S1*S0+I1a*S1*S0+ I2a*S1*S0+I3a*S1*S0) Zb = Eb*(I0b*S1*S0+I1b*S1*S0+ I2b*S1*S0+I3b*S1*S0) The MC74AC352/74ACT352 can be used to move data from a group of registers to a common output bus. The particular register from which the date came would be determined by the state of the Select inputs. A less obvious application is as a function generator. The MC74AC352/ 74ACT352 can generate two functions of three variables. This is useful for implementing highly irregular random logic.
LOGIC DIAGRAM
Ea I0a I1a I2a I3a S0 S0 I0b I1b I2b I3b Eb
Za
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Zb
FACT DATA 5-2
MC74AC352 MC74ACT352
MAXIMUM RATINGS*
Symbol VCC Vin Vout Iin Iout ICC Tstg Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Sink/Source Current, per Pin DC VCC or GND Current per Output Pin Storage Temperature Value -0.5 to +7.0 -0.5 to VCC +0.5 -0.5 to VCC +0.5 20 50 50 -65 to +150 Unit V V V mA mA mA C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol VCC Vin, Vout Supply Voltage DC Input Voltage, Output Voltage (Ref. to GND) VCC @ 3.0 V tr, tf Input Rise and Fall Time (Note 1) AC Devices except Schmitt Inputs VCC @ 4.5 V VCC @ 5.5 V tr, tf TJ TA IOH IOL Input Rise and Fall Time (Note 2) ACT Devices except Schmitt Inputs Junction Temperature (PDIP) Operating Ambient Temperature Range Output Current -- High Output Current -- Low -40 25 VCC @ 4.5 V VCC @ 5.5 V Parameter AC ACT Min 2.0 4.5 0 150 40 25 10 ns/V 8.0 140 85 -24 24 C C mA mA ns/V Typ 5.0 5.0 Max 6.0 5.5 VCC V Unit V
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times. 2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
FACT DATA 5-3
MC74AC352 MC74ACT352
DC CHARACTERISTICS
74AC Symbol Parameter VCC (V) TA = +25C Typ VIH Minimum High 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 VOL Maximum Low Level Output Voltage 3.0 4.5 5.5 3.0 4.5 5.5 IIN IOLD IOHD ICC Maximum Input Leakage Current Minimum Dynamic Output Current Maximum Quiescent Supply Current 5.5 5.5 5.5 5.5 8.0 0.002 0.001 0.001 1.5 2.25 2.75 1.5 2.25 2.75 2.99 4.49 5.49 74AC TA = -40C to +85C Unit Conditions
Guaranteed Limits 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.56 3.86 4.86 0.1 0.1 0.1 0.36 0.36 0.36 0.1 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.46 3.76 4.76 0.1 0.1 0.1 0.44 0.44 0.44 1.0 75 -75 80 V VOUT = 0.1 V or VCC - 0.1 V VOUT = 0.1 V or VCC - 0.1 V IOUT = -50 A V *VIN = VIL or VIH -12 mA IOH -24 mA -24 mA IOUT = 50 A V *VIN = VIL or VIH 12 mA IOL 24 mA 24 mA VI = VCC, GND VOLD = 1.65 V Max VOHD = 3.85 V Min VIN = VCC or GND
VIL
Maximum Low Level Input Voltage
V
VOH
Minimum High Level Output Voltage
V
V
A mA mA A
* All outputs loaded; thresholds on input associated with output under test. Maximum test duration 2.0 ms, one output loaded at a time. Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
FACT DATA 5-4
MC74AC352 MC74ACT352
AC CHARACTERISTICS (For Figures and Waveforms -- See Section 3)
74AC Symbol Parameter VCC* (V) Min tPLH tPHL tPLH tPHL tPLH tPHL Propagation Delay Sn to Zn Propagation Delay Sn to Zn Propagation Delay En to Zn Propagation Delay En to Zn Propagation Delay In to Zn Propagation Delay In to Zn 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 TA = +25C CL = 50 pF Typ 8.5 6.5 8.0 6.0 6.0 4.5 5.5 4.0 7.0 5.0 7.0 5.0 Max 15.0 11.0 14.5 11.0 13.5 9.5 11.0 8.0 12.5 9.0 11.5 8.5 74AC TA = -40C to +85C CL = 50 pF Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Max 17.5 12.5 16.5 12.0 16.0 11.0 12.5 9.0 14.5 10.5 13.0 10.0 ns ns ns ns ns ns 3-6 3-6 3-6 3-6 3-5 3-5 Unit Fig. No.
* Voltage Range 3.3 V is 3.3 V 0.3 V. Voltage Range 5.0 V is 5.0 V 0.5 V.
DC CHARACTERISTICS
74ACT Symbol Parameter VCC (V) TA = +25C Typ VIH VIL VOH Minimum High Level Input Voltage Maximum Low Level Input Voltage Minimum High Level Output Voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 VOL Maximum Low Level Output Voltage 4.5 5.5 4.5 5.5 IIN ICCT IOLD IOHD ICC Maximum Input Leakage Current Additional Max. ICC/Input Minimum Dynamic Output Current Maximum Quiescent Supply Current 5.5 5.5 5.5 5.5 5.5 8.0 0.6 0.001 0.001 1.5 1.5 1.5 1.5 4.49 5.49 74ACT TA = -40C to +85C Unit Conditions
Guaranteed Limits 2.0 2.0 0.8 0.8 4.4 5.4 3.86 4.86 0.1 0.1 0.36 0.36 0.1 2.0 2.0 0.8 0.8 4.4 5.4 3.76 4.76 0.1 0.1 0.44 0.44 1.0 1.5 75 -75 80 V V V VOUT = 0.1 V or VCC - 0.1 V VOUT = 0.1 V or VCC - 0.1 V IOUT = -50 A *VIN = VIL or VIH -24 mA IOH -24 mA IOUT = 50 A *VIN = VIL or VIH 24 mA IOL 24 mA VI = VCC, GND VI = VCC - 2.1 V VOLD = 1.65 V Max VOHD = 3.85 V Min VIN = VCC or GND
V
V
V
A mA mA mA A
* All outputs loaded; thresholds on input associated with output under test. Maximum test duration 2.0 ms, one output loaded at a time.
FACT DATA 5-5
MC74AC352 MC74ACT352
AC CHARACTERISTICS (For Figures and Waveforms -- See Section 3)
74ACT Symbol Parameter VCC* (V) Min tPLH tPHL tPLH tPHL tPLH tPHL Propagation Delay Sn to Zn Propagation Delay Sn to Zn Propagation Delay En to Zn Propagation Delay En to Zn Propagation Delay In to Zn Propagation Delay In to Zn 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 2.0 2.0 2.0 2.0 TA = +25C CL = 50 pF Typ 6.0 6.0 4.5 4.5 5.5 6.5 Max 10.5 10.0 8.0 8.0 10.0 8.5 74ACT TA = -40C to +85C CL = 50 pF Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 11.5 11.5 8.5 8.5 11.0 9.0 ns ns ns ns ns ns 3-6 3-6 3-6 3-6 3-5 3-5 Unit Fig. No.
* Voltage Range 5.0 V is 5.0 V 0.5 V.
CAPACITANCE
Symbol CIN CPD Input Capacitance Power Dissipation Capacitance Parameter Value Typ 4.5 50 Unit pF pF Test Conditions VCC = 5.0 V VCC = 5.0 V
FACT DATA 5-6
MC74AC352 MC74ACT352
OUTLINE DIMENSIONS
N SUFFIX PLASTIC DIP PACKAGE CASE 648-08 ISSUE R
9
-A-
16
B
1 8
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. DIM A B C D F G H J K L M S INCHES MIN MAX 0.740 0.770 0.250 0.270 0.145 0.175 0.015 0.021 0.040 0.70 0.100 BSC 0.050 BSC 0.008 0.015 0.110 0.130 0.295 0.305 0_ 10 _ 0.020 0.040 MILLIMETERS MIN MAX 18.80 19.55 6.35 6.85 3.69 4.44 0.39 0.53 1.02 1.77 2.54 BSC 1.27 BSC 0.21 0.38 2.80 3.30 7.50 7.74 0_ 10 _ 0.51 1.01
F S
C
L
-T- H G D
16 PL
SEATING PLANE
K
J TA
M
M
0.25 (0.010)
M
-A-
D SUFFIX PLASTIC SOIC PACKAGE CASE 751B-05 ISSUE J
9
16
-B-
1 8
P
8 PL
0.25 (0.010)
M
B
S
G F
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS MIN MAX 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50 INCHES MIN MAX 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0_ 7_ 0.229 0.244 0.010 0.019
K C -T-
SEATING PLANE
R
X 45 _
M D
16 PL M
J
0.25 (0.010)
TB
S
A
S
DIM A B C D F G J K M P R
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JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298
FACT DATA 5-7
*MC74AC352/D*
MC74AC352/D

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