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MC74VHC157DR2

Description
AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, SOIC-16
Categorylogic    logic   
File Size915KB，8 Pages
ManufacturerRochester Electronics
Websitehttps://www.rocelec.com/
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MC74VHC157DR2 Overview

AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, SOIC-16

MC74VHC157DR2 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
MakerRochester Electronics
Parts packaging codeSOIC
package instructionSOIC-16
Contacts16
Reach Compliance Codeunknown
seriesAHC/VHC
JESD-30 codeR-PDSO-G16
JESD-609 codee0
length9.9 mm
Logic integrated circuit typeMULTIPLEXER
Humidity sensitivity levelNOT SPECIFIED
Number of functions4
Number of entries2
Output times1
Number of terminals16
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
propagation delay (tpd)15 ns
Certification statusCOMMERCIAL
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelMILITARY
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.9 mm

MC74VHC157DR2 Preview

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MC74VHC157
Quad 2- Channel Multiplexer
-
The MC74VHC157 is an advanced high-
-speed CMOS quad
2-
-channel multiplexer, fabricated with silicon gate CMOS
technology. It achieves high-
-speed operation similar to equivalent
Bipolar-
-Schottky TTL, while maintaining CMOS low-
-power
dissipation.
It consists of four 2-
-input digital multiplexers with common select
(S) and enable (E) inputs. When E is held High, selection of data is
inhibited and all the outputs go Low.
The select decoding determines whether the A or B inputs get routed
to the corresponding Y outputs.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output. The
inputs tolerate voltages up to 7 V, allowing the interface of 5 V systems
to 3 V systems.
http://onsemi.com
MARKING
DIAGRAMS
16
9
SOIC-
-16
D SUFFIX
CASE 751B
VHC157
AWLYYWW
1
8
•
•
•
•
•
•
•
•
•
•
•
•
High Speed: t
PD
= 4.1 ns (Typ) at V
CC
= 5 V
Low Power Dissipation: I
CC
= 4
mA
(Max) at T
A
= 25°C
High Noise Immunity: V
NIH
= V
NIL
= 28% V
CC
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2 V to 5.5 V Operating Range
Low Noise: V
OLP
= 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300 mA
ESD Performance: HBM > 2000 V; Machine Model > 200 V
Chip Complexity: 82 FETs
These devices are available in Pb-
-free package(s). Specifications herein
apply to both standard and Pb-
-free devices. Please see our website at
www.onsemi.com for specific Pb-
-free orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
16
9
TSSOP-
-16
DT SUFFIX
CASE 948F
VHC
157
ALYW
1
8
16
9
SOIC EIAJ-
-16
M SUFFIX
CASE 966
74VHC157
ALYW
1
8
S
A0
B0
Y0
A1
B1
Y1
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
E
A3
B3
Y3
A2
B2
Y2
A
L, WL
Y, YY
W, WW
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
Device
MC74VHC157D
MC74VHC157DR2
MC74VHC157DT
Package
SOIC--16
SOIC--16
TSSOP--16
Shipping
48 Units/Rail
2500 Units/Reel
96 Units/Rail
MC74VHC157DTR2 TSSOP--16 2500 Units/Reel
MC74VHC157M
MC74VHC157MEL
SOIC
EIAJ--16
SOIC
EIAJ--16
50 Units/Rail
2000 Units/Reel
Figure 1. Pin Assignment
©
Semiconductor Components Industries, LLC, 2006
March, 2006 - Rev. 5
-
1
Publication Order Number:
MC74VHC157/D
MC74VHC157
A0
B0
A1
B1
NIBBLE
INPUTS
A2
B2
A3
B3
E
S
2
3
5
6
11
10
14
13
15
1
12 Y3
9
Y2
7
Y1
DATA
OUTPUTS
4
Y0
Figure 2. Expanded Logic Diagram
E
S
A0
B0
A1
B1
15
1
2
3
5
6
EN
G1
1
1
MUX
4
7
9
12
Y0
Y1
Y2
Y3
11
A2
10
B2
14
A3
13
B3
Figure 3. IEC Logic Symbol
FUNCTION TABLE
Inputs
E
H
L
L
S
X
L
H
Outputs
Y0 - Y3
-
L
A0--A3
B0--B3
A0 -- A3, B0 -- B3 = the levels
of the respective Data--Word
Inputs.
http://onsemi.com
2
MC74VHC157
MAXIMUM RATINGS
(Note 1)
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
T
STG
T
L
T
J
θ
JA
P
D
MSL
F
R
V
ESD
DC Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Sink Current
DC Supply Current per Supply Pin
Storage Temperature Range
Lead Temperature, 1 mm from Case for 10 Seconds
Junction Temperature under Bias
Thermal Resistance
Power Dissipation in Still Air at 85_C
Moisture Sensitivity
Flammability Rating
ESD Withstand Voltage
Oxygen Index: 30% -- 35%
Human Body Model (Note 2)
Machine Model (Note 3)
Charged Device Model (Note 4)
Above V
CC
and Below GND at 85_C (Note 5)
V
I
<
GND
V
O
<
GND
Parameter
Value
−0.5
to
+7.0
−0.5
to V
CC
+7.0
−0.5
to V
CC
+7.0
−20
±20
±25
±100
−65
to
+150
260
+150
250
250
Level 1
UL--94--VO (0.125 in)
>2000
>200
N/A
±500
V
Unit
V
V
V
mA
mA
mA
mA
_C
_C
_C
_C/W
mW
I
Latch--Up
Latch--Up Performance
mA
1. Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Extended exposure to these
conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation under absolute maximum--rated
conditions is not implied.
2. Tested to EIA/JESD22--A114--A.
3. Tested to EIA/JESD22--A115--A.
4. Tested to JESD22--C101--A.
5. Tested to EIA/JESD78.
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
IN
V
OUT
T
A
t
r
, t
f
DC Supply Voltage
DC Input Voltage
DC Output Voltage
Operating Temperature Range, all Package Types
Input Rise or Fall Time
V
CC
= 3.3 V
±
0.3 V
V
CC
= 5.0 V
±
0.5 V
(Note 6)
Characteristics
Min
2.0
0
0
−55
0
0
Max
5.5
5.5
V
CC
125
100
20
Unit
V
V
V
_C
ns/V
6. Unused inputs may not be left open. All inputs must be tied to a high--logic voltage level or a low--logic input voltage level.
NORMALIZED FAILURE RATE
DEVICE JUNCTION TEMPERATURE VERSUS
TIME TO 0.1% BOND FAILURES
Junction
Temperature
_C
80
90
100
110
120
130
140
Time, Hours
1,032,200
419,300
178,700
79,600
37,000
17,800
8,900
Time, Years
117.8
47.9
20.4
9.4
4.2
2.0
1.0
FAILURE RATE OF PLASTIC = CERAMIC
UNTIL INTERMETALLICS OCCUR
T
J
= 130_C
T
J
= 120_C
T
J
= 100_C
T
J
= 110_C
T
J
= 90_C
T
J
= 80_C
100
TIME, YEARS
1
1
10
1000
Figure 4. Failure Rate vs. Time Junction Temperature
http://onsemi.com
3
MC74VHC157
DC CHARACTERISTICS
(Voltages Referenced to GND)
V
CC
Symbol
V
IH
V
IL
V
OH
Parameter
High--Level
Input Voltage
Low--Level
Input Voltage
High--Level
Output Voltage
V
IN
= V
IH
or V
IL
I
OH
= --50
mA
V
IN
= V
IH
or V
IL
I
OH
= --4 mA
I
OH
= --8 mA
V
OL
Low--Level
Output Voltage
V
IN
= V
IH
or V
IL
I
OL
= 50
mA
V
IN
= V
IH
or V
IL
I
OH
= 4 mA
I
OH
= 8 mA
I
IN
I
CC
Input Leakage
Current
Quiescent
Supply Current
V
IN
= 5.5 V or
GND
V
IN
= V
CC
or
GND
Condition
(V)
2.0
3.0 to 5.5
2.0
3.0 to 5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
0 to 5.5
5.5
1.9
2.9
4.4
2.58
3.94
0.0
0.0
0.0
0.1
0.1
0.1
0.36
0.36
±0.1
4.0
2.0
3.0
4.5
Min
1.5
0.7 V
CC
0.5
0.3 V
CC
1.9
2.9
4.4
2.48
3.8
0.1
0.1
0.1
0.44
0.44
±1.0
40.0
T
A
= 25_C
Typ
Max
T
A
≤85_C
Min
1.5
0.7 V
CC
0.5
0.3 V
CC
1.9
2.9
4.4
2.34
3.66
0.1
0.1
0.1
0.52
0.52
±1.0
40.0
mA
mA
V
Max
-
-55_C
≤T
A
≤125_C
Min
1.5
0.7 V
CC
0.5
0.3 V
CC
Max
Unit
V
V
V
AC ELECTRICAL CHARACTERISTICS
(Input t
r
= t
f
= 3.0 ns)
T
A
= 25_C
Symbol
t
PLH
,
t
PHL
Characteristic
Propagation Delay,
A to B to Y
Test Conditions
V
CC
= 3.3
±
0.3 V
V
CC
= 5.0
±
0.5 V
t
PLH
,
t
PHL
Propagation Delay,
S to Y
V
CC
= 3.3
±
0.3 V
V
CC
= 5.0
±
0.5 V
t
PLH
,
t
PHL
Propagation Delay,
E to Y
V
CC
= 3.3
±
0.3 V
V
CC
= 5.0
±
0.5 V
C
IN
Input Capacitance
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
Min
Typ
6.2
8.7
4.1
5.6
8.4
10.9
5.3
6.8
8.7
11.2
5.6
7.1
4
Max
9.7
13.2
6.4
8.4
13.2
16.7
8.1
10.1
13.6
17.1
8.6
10.6
10
T
A
≤85_C
Typ
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
11.5
15.0
7.5
9.5
15.5
19.0
9.5
11.5
16.0
19.5
10.0
12.0
10
Typical @ 25_C, V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance (Note 7)
20
pF
7. C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: I
CC(OPR
)
= C
PD
¯
V
CC
¯
f
in
+ I
CC
. C
PD
is used to determine the no--load dynamic
power consumption: P
D
= C
PD
¯
V
CC2
¯
f
in
+ I
CC
¯
V
CC
.
-
-55_C
≤T
A
≤125_C
Typ
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
11.5
15.0
7.5
9.5
15.5
19.0
9.5
11.5
16.0
19.5
10.0
12.0
10
pF
ns
ns
Unit
ns
http://onsemi.com
4
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MC74VHC157DR2 Related Products

MC74VHC157DR2 MC74VHC157D MC74VHC157DT MC74VHC157DTR2
Description AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, SOIC-16 AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, SOIC-16 AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, TSSOP-16 AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, TSSOP-16
Is it lead-free? Contains lead Contains lead Lead free Contains lead
Maker Rochester Electronics Rochester Electronics Rochester Electronics Rochester Electronics
Parts packaging code SOIC SOIC TSSOP TSSOP
package instruction SOIC-16 SOIC-16 TSSOP, TSSOP-16
Contacts 16 16 16 16
Reach Compliance Code unknown unknown unknown unknown
series AHC/VHC AHC/VHC AHC/VHC AHC/VHC
JESD-30 code R-PDSO-G16 R-PDSO-G16 R-PDSO-G16 R-PDSO-G16
JESD-609 code e0 e0 e4 e4
length 9.9 mm 9.9 mm 5 mm 5 mm
Logic integrated circuit type MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER
Humidity sensitivity level NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Number of functions 4 4 4 4
Number of entries 2 2 2 2
Output times 1 1 1 1
Number of terminals 16 16 16 16
Maximum operating temperature 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature -55 °C -55 °C -55 °C -55 °C
Output polarity TRUE TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP TSSOP TSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 NOT SPECIFIED NOT SPECIFIED 260
propagation delay (tpd) 15 ns 15 ns 15 ns 15 ns
Certification status COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Maximum seat height 1.75 mm 1.75 mm 1.2 mm 1.2 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 2 V 2 V 2 V 2 V
Nominal supply voltage (Vsup) 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES YES YES YES
technology CMOS CMOS CMOS CMOS
Temperature level MILITARY MILITARY MILITARY MILITARY
Terminal surface TIN LEAD TIN LEAD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 NOT SPECIFIED NOT SPECIFIED 40
width 3.9 mm 3.9 mm 4.4 mm 4.4 mm

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[size=4]1.MSP430F5438 has three timers: TA0, TA1 and TB. The functions of the timers are slightly different. [/size] [size=4] [/size] [size=4]2.For timer TA1, there are two interrupt vector addresses,...
fish001 Microcontroller MCU
Shortcut:   S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

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