MC74VHC157 D
MC74VHC157 D
MC74VHC157 D
B0 3 14 A3
Y0 4 13 B3
A1 5 12 Y3
B1 6 11 A2
Y1 7 10 B2
GND 8 9 Y2
2
A0
4
3 Y0
B0
5
A1
7
6 Y1
B1
NIBBLE DATA
11
INPUTS A2 OUTPUTS
10 9 Y2
B2
14
A3
12 Y3
13
B3
15
E
1
S
15
E EN
1
S G1
A0 2 MUX
1 4
3 Y0
B0 1
5
A1 7
6 Y1
B1
11
A2 9
10 Y2
B2
14
A3 12
13 Y3
B3
FUNCTION TABLE
Inputs Outputs
E S Y0 − Y3
H X L
L L A0 −A3
L H B0 −B3
A0 − A3, B0 − B3 = the levels
of the respective Data−Word
Inputs.
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2
MC74VHC157
TJ = 120_C
TJ = 100_C
TJ = 110_C
TJ = 90_C
TJ = 80_C
80 1,032,200 117.8
90 419,300 47.9
100 178,700 20.4
1
110 79,600 9.4
120 37,000 4.2 1 10 100 1000
130 17,800 2.0 TIME, YEARS
140 8,900 1.0
Figure 4. Failure Rate vs. Time Junction Temperature
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3
MC74VHC157
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
TA = 25_C TA v85_C −55_C vTAv125_C
Symbol Characteristic Test Conditions Min Typ Max Typ Max Typ Max Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tPLH, Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF 6.2 9.7 1.0 11.5 1.0 11.5 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tPHL A to B to Y CL = 50 pF 8.7 13.2 1.0 15.0 1.0 15.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
VCC = 5.0 $ 0.5 V CL = 15 pF 4.1 6.4 1.0 7.5 1.0 7.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
CL = 50 pF 5.6 8.4 1.0 9.5 1.0 9.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tPLH, Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF 8.4 13.2 1.0 15.5 1.0 15.5 ns
tPHL S to Y CL = 50 pF 10.9 16.7 1.0 19.0 1.0 19.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
VCC = 5.0 $ 0.5 V CL = 15 pF 5.3 8.1 1.0 9.5 1.0 9.5
CL = 50 pF 6.8 10.1 1.0 11.5 1.0 11.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tPLH, Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF 8.7 13.6 1.0 16.0 1.0 16.0 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tPHL E to Y CL = 50 pF 11.2 17.1 1.0 19.5 1.0 19.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
VCC = 5.0 $ 0.5 V CL = 15 pF
CL = 50 pF
5.6 8.6 1.0 10.0 1.0 10.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
7.1 10.6 1.0 12.0 1.0 12.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
CIN Input Capacitance 4 10 10 10 pF
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MC74VHC157
VCC VCC
A, B, or S 50% E 50%
GND GND
tPLH tPHL tPLH tPHL
TEST POINT
OUTPUT
DEVICE
UNDER
TEST CL *
INPUT
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5
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOIC−16
CASE 751B−05
ISSUE K
SCALE 1:1 DATE 29 DEC 2006
−A− NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
16 9 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE.
−B− P 8 PL 5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
1 8
0.25 (0.010) M B S SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL CONDITION.
MILLIMETERS INCHES
DIM MIN MAX MIN MAX
G A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F
K R X 45 _ F 0.40 1.25 0.016 0.049
G 1.27 BSC 0.050 BSC
J 0.19 0.25 0.008 0.009
C K 0.10 0.25 0.004 0.009
M 0_ 7_ 0_ 7_
−T− SEATING P 5.80 6.20 0.229 0.244
PLANE
M J R 0.25 0.50 0.010 0.019
D 16 PL
0.25 (0.010) M T B S A S
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
DOCUMENT NUMBER: 98ASB42566B Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
TSSOP−16
CASE 948F−01
16 ISSUE B
DATE 19 OCT 2006
1
SCALE 2:1
16X K REF
NOTES:
0.10 (0.004) M T U S V S 1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
0.15 (0.006) T U S K 2. CONTROLLING DIMENSION: MILLIMETER.
ÉÉÉ
ÇÇÇ
3. DIMENSION A DOES NOT INCLUDE MOLD
K1 FLASH. PROTRUSIONS OR GATE BURRS.
MOLD FLASH OR GATE BURRS SHALL NOT
ÇÇÇ
ÉÉÉ
16 9 EXCEED 0.15 (0.006) PER SIDE.
2X L/2 J1 4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION SHALL
B SECTION N−N NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
L −U− J PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL
PIN 1
IN EXCESS OF THE K DIMENSION AT
IDENT. N MAXIMUM MATERIAL CONDITION.
1 8 0.25 (0.010) 6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
M DETERMINED AT DATUM PLANE −W−.
0.15 (0.006) T U S MILLIMETERS INCHES
A
N DIM MIN MAX MIN MAX
−V− A 4.90 5.10 0.193 0.200
F B 4.30 4.50 0.169 0.177
C −−− 1.20 −−− 0.047
D 0.05 0.15 0.002 0.006
DETAIL E F 0.50 0.75 0.020 0.030
G 0.65 BSC 0.026 BSC
H 0.18 0.28 0.007 0.011
C −W− J 0.09 0.20 0.004 0.008
J1 0.09 0.16 0.004 0.006
K 0.19 0.30 0.007 0.012
0.10 (0.004) K1 0.19 0.25 0.007 0.010
−T− SEATING H DETAIL E L 6.40 BSC 0.252 BSC
PLANE D G M 0_ 8_ 0_ 8_
GENERIC
SOLDERING FOOTPRINT
MARKING DIAGRAM*
7.06 16
XXXX
1 XXXX
ALYW
1
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
DOCUMENT NUMBER: 98ASH70247A Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.