ONSEMI MC74LVX8053DT

MC74LVX8053
Analog Multiplexer /
Demultiplexer
High–Performance Silicon–Gate CMOS
The MC74LVX8053 utilizes silicon–gate CMOS technology to
achieve fast propagation delays, low ON resistances, and low OFF
leakage currents. This analog multiplexer/demultiplexer controls
analog voltages that may vary across the complete power supply range
(from VCC to GND).
The LVX8053 is similar in pinout to the high–speed HC4053A, and
the metal–gate MC14053B. The Channel–Select inputs determine
which one of the Analog Inputs/Outputs is to be connected, by means
of an analog switch, to the Common Output/Input. When the Enable
pin is HIGH, all analog switches are turned off.
The Channel–Select and Enable inputs are compatible with standard
CMOS outputs; with pull–up resistors they are compatible with
LSTTL outputs.
This device has been designed so that the ON resistance (Ron) is
more linear over input voltage than Ron of metal–gate CMOS analog
switches.
•
•
•
•
•
•
•
•
•
Fast Switching and Propagation Speeds
Low Crosstalk Between Switches
Diode Protection on All Inputs/Outputs
Analog Power Supply Range (VCC – GND) = 2.0 to 6.0 V
Digital (Control) Power Supply Range (VCC – GND) = 2.0 to 6.0 V
Improved Linearity and Lower ON Resistance Than Metal–Gate
Counterparts
Low Noise
In Compliance With the Requirements of JEDEC Standard No. 7A
Chip Complexity: LVX8053 — 156 FETs or 39 Equivalent Gates
LOGIC DIAGRAM
Triple Single–Pole, Double–Position Plus Common Off
12
X0
13
X1
X SWITCH
2
ANALOG
INPUTS/OUTPUTS
Y0
1
Y1
Y SWITCH
14
15
X
Y
COMMON
OUTPUTS/INPUTS
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16–LEAD SOIC
D SUFFIX
CASE 751B
16–LEAD TSSOP
DT SUFFIX
CASE 948F
PIN CONNECTION AND
MARKING DIAGRAM (Top View)
VCC
16
Y
X
X1
X0
A
B
C
15
14
13
12
11
10
9
8
GND
1
2
3
4
5
6
7
Y1
Y0
Z1
Z
Z0
Enable
NC
For detailed package marking information, see the Marking
Diagram section on page 11 of this data sheet.
FUNCTION TABLE – MC74LVX8053
Control Inputs
Enable
C
L
L
L
L
L
L
L
L
H
L
L
L
L
H
H
H
H
X
Select
B
A
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
ON Channels
Z0
Z0
Z0
Z0
Z1
Z1
Z1
Z1
Y0
Y0
Y1
Y1
Y0
Y0
Y1
Y1
NONE
X0
X1
X0
X1
X0
X1
X0
X1
X = Don’t Care
5
Z0
3
Z1
Z SWITCH
4
Z
ORDERING INFORMATION
11
A
10
B
9
C
6
ENABLE
CHANNEL-SELECT
INPUTS
Device
PIN 16 = VCC
PIN 8 = GND
NOTE: This device allows independent control of each switch.
Channel–Select Input A controls the X–Switch, Input B controls
the Y–Switch and Input C controls the Z–Switch
 Semiconductor Components Industries, LLC, 1999
March, 2000 – Rev. 2
1
Package
Shipping
MC74LVX8053D
SOIC
48 Units/Rail
MC74LVX8053DR2
SOIC
2500 Units/Reel
MC74LVX8053DT
TSSOP
96 Units/Rail
MC74LVX8053DTR2
TSSOP
2500 Units/Reel
Publication Order Number:
MC74LVX8053/D
MC74LVX8053
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MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
– 0.5 to + 7.0
V
Analog Input Voltage
– 0.5 to VCC + 0.5
V
Digital Input Voltage (Referenced to GND)
– 0.5 to VCC + 0.5
V
± 20
mA
500
450
mW
– 65 to + 150
_C
260
_C
VCC
Positive DC Supply Voltage
VIS
Vin
I
DC Current, Into or Out of Any Pin
PD
Power Dissipation in Still Air,
Tstg
Storage Temperature Range
TL
(Referenced to GND)
SOIC Package†
TSSOP Package†
Lead Temperature, 1 mm from Case for 10 Seconds
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
†Derating — SOIC Package: – 7 mW/_C from 65_ to 125_C
TSSOP Package: – 6.1 mW/_C from 65_ to 125_C
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RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
VCC
Positive DC Supply Voltage
VIS
Analog Input Voltage
(Referenced to GND)
Vin
Digital Input Voltage (Referenced to GND)
VIO*
Static or Dynamic Voltage Across Switch
TA
Operating Temperature Range, All Package Types
tr, tf
Input Rise/Fall Time
(Channel Select or Enable Inputs)
VCC = 3.3 V ± 0.3 V
VCC = 5.0 V ± 0.5 V
Max
Unit
2.0
6.0
V
0.0
VCC
V
GND
VCC
V
1.2
V
+ 85
_C
– 55
ns/V
0
0
100
20
*For voltage drops across switch greater than 1.2 V (switch on), excessive VCC current may
be drawn; i.e., the current out of the switch may contain both VCC and switch input
components. The reliability of the device will be unaffected unless the Maximum Ratings are
exceeded.
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2
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high–impedance circuit. For proper operation, Vin and
Vout should be constrained to the
range GND (Vin or Vout) VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or V CC ).
Unused outputs must be left open.
v
v
MC74LVX8053
DC CHARACTERISTICS — Digital Section (Voltages Referenced to GND)
Symbol
Parameter
Condition
Guaranteed Limit
VCC
V
–55 to 25°C
≤85°C
≤125°C
Unit
VIH
Minimum High–Level Input
Voltage, Channel–Select or
Enable Inputs
Ron = Per Spec
2.0
3.0
4.5
5.5
1.50
2.10
3.15
3.85
1.50
2.10
3.15
3.85
1.50
2.10
3.15
3.85
V
VIL
Maximum Low–Level Input
Voltage, Channel–Select or
Enable Inputs
Ron = Per Spec
2.0
3.0
4.5
5.5
0.5
0.9
1.35
1.65
0.5
0.9
1.35
1.65
0.5
0.9
1.35
1.65
V
Iin
Maximum Input Leakage Current,
Channel–Select or Enable Inputs
Vin = VCC or GND,
5.5
± 0.1
± 1.0
± 1.0
µA
Maximum Quiescent Supply
Current (per Package)
Channel Select, Enable and
VIS = VCC or GND; VIO = 0 V
5.5
4
40
160
µA
ICC
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DC ELECTRICAL CHARACTERISTICS Analog Section
Guaranteed Limit
Symbol
Ron
VCC
V
– 55 to
25_C
Vin = VIL or VIH
VIS = VCC to GND
|IS|
10.0 mA (Figures 1, 2)
3.0
4.5
5.5
Vin = VIL or VIH
VIS = VCC or GND (Endpoints)
|IS|
10.0 mA (Figures 1, 2)
Vin = VIL or VIH
VIS = 1/2 (VCC – GND)
|IS|
10.0 mA
Vin = VIL or VIH;
VIO = VCC or GND;
Switch Off (Figure 3)
Maximum Off–Channel
Leakage Current,
Common Channel
Maximum On–Channel
Leakage Current,
Channel–to–Channel
Parameter
Maximum “ON” Resistance
∆Ron
Maximum Difference in “ON”
Resistance Between Any Two
Channels in the Same Package
Ioff
Maximum Off–Channel Leakage
Current, Any One Channel
Ion
85_C
125_C
40
30
25
45
32
28
50
37
30
3.0
4.5
5.5
30
25
20
35
28
25
40
35
30
3.0
4.5
5.5
15
8.0
8.0
20
12
12
25
15
15
Ω
5.5
0.1
0.5
1.0
µA
Vin = VIL or VIH;
VIO = VCC or GND;
Switch Off (Figure 4)
5.5
0.1
1.0
2.0
Vin = VIL or VIH;
Switch–to–Switch =
VCC or GND; (Figure 5)
5.5
0.1
1.0
2.0
Test Conditions
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3
Unit
Ω
µA
MC74LVX8053
AC CHARACTERISTICS (CL = 50 pF, Input tr = tf = 3 ns)
Guaranteed Limit
VCC
V
–55 to 25°C
≤85°C
≤125°C
Unit
Maximum Propagation Delay, Channel–Select to Analog Output
(Figure 9)
2.0
3.0
4.5
5.5
30
20
15
15
35
25
18
18
40
30
22
20
ns
tPLH,
tPHL
Maximum Propagation Delay, Analog Input to Analog Output
(Figure 10)
2.0
3.0
4.5
5.5
4.0
3.0
1.0
1.0
6.0
5.0
2.0
2.0
8.0
6.0
2.0
2.0
ns
tPLZ,
tPHZ
Maximum Propagation Delay, Enable to Analog Output
(Figure 11)
2.0
3.0
4.5
5.5
30
20
15
15
35
25
18
18
40
30
22
20
ns
tPZL,
tPZH
Maximum Propagation Delay, Enable to Analog Output
(Figure 11)
2.0
3.0
4.5
5.5
20
12
8.0
8.0
25
14
10
10
30
15
12
12
ns
Symbol
Parameter
tPLH,
tPHL
Cin
Maximum Input Capacitance, Channel–Select or Enable Inputs
10
10
10
pF
CI/O
Maximum Capacitance
Analog I/O
35
35
35
pF
Common O/I
50
50
50
Feedthrough
1.0
1.0
1.0
(All Switches Off)
CPD
Typical @ 25°C, VCC = 5.0 V
Power Dissipation Capacitance (Figure 13)*
45
* Used to determine the no–load dynamic power consumption: P D = C PD V CC 2 f + I CC V CC .
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4
pF
MC74LVX8053
ADDITIONAL APPLICATION CHARACTERISTICS (GND = 0 V)
Symbol
BW
—
Parameter
VCC
V
Condition
fin = 1MHz Sine Wave; Adjust fin Voltage to Obtain
0dB att VOS; IIncrease fin Frequency
0dBm
F
Until
U til dB
Meter Reads –3dB;
RL = 50Ω, CL = 10pF
3.0
4.5
5.5
120
120
120
Off–Channel Feedthrough Isolation
(Figure 7)
fin = Sine Wave; Adjust fin Voltage to Obtain 0dBm
at VIS
fin = 10kHz, RL = 600Ω, CL = 50pF
3.0
4.5
5.5
–50
–50
–50
3.0
4.5
5.5
–37
–37
–37
3.0
4.5
5.5
25
105
135
3.0
4.5
5.5
35
145
190
3.0
4.5
5.5
–50
–50
–50
3.0
4.5
5.5
–60
–60
–60
Feedthrough Noise.
Channel–Select Input to Common
I/O (Figure 8)
Vin ≤ 1MHz Square Wave (tr = tf = 6ns); Adjust RL
at Setup so that IS = 0A;
Enable = GND
RL = 600Ω, CL = 50pF
RL = 10kΩ, CL = 10pF
—
Crosstalk Between Any Two
Switches (Figure 12)
fin = Sine Wave; Adjust fin Voltage to Obtain 0dBm
at VIS
fin = 10kHz, RL = 600Ω, CL = 50pF
fin = 1.0MHz, RL = 50Ω, CL = 10pF
THD
25°C
Maximum On–Channel Bandwidth
or Minimum
Mi i
Frequency
F
Response
R
(Figure 6)
fin = 1.0MHz, RL = 50Ω, CL = 10pF
—
Limit*
Total Harmonic Distortion
(Figure 14)
fin = 1kHz, RL = 10kΩ, CL = 50pF
THD = THDmeasured – THDsource
VIS = 2.0VPP sine wave
VIS = 4.0VPP sine wave
VIS = 5.5VPP sine wave
3.0
4.5
5.5
45
Ron , ON RESISTANCE (OHMS)
40
35
125°C
85°C
25°C
25
20
– 55°C
15
10
5
00
1.0
2.0
3.0
VIN, INPUT VOLTAGE (VOLTS)
Figure 1a. Typical On Resistance, VCC = 3.0 V
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5
MHz
dB
mVPP
dB
%
*Limits not tested. Determined by design and verified by qualification.
30
Unit
4.0
0.10
0.08
0.05
MC74LVX8053
30
25
125°C
85°C
20
25°C
15
– 55°C
Ron , ON RESISTANCE (OHMS)
Ron , ON RESISTANCE (OHMS)
30
10
5
0
25
125°C
85°C
20
25°C
– 55°C
15
10
5
0
1.0
2.0
3.0
4.0
0
5.0
0
1.0
2.0
Figure 1b. Typical On Resistance, VCC = 4.5 V
4.0
5.0
Figure 1c. Typical On Resistance, VCC = 5.5 V
PLOTTER
PROGRAMMABLE
POWER
SUPPLY
–
3.0
VIN, INPUT VOLTAGE (VOLTS)
VIN, INPUT VOLTAGE (VOLTS)
MINI COMPUTER
DC ANALYZER
+
VCC
DEVICE
UNDER TEST
ANALOG IN
COMMON OUT
GND
GND
Figure 2. On Resistance Test Set–Up
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6
6.0
MC74LVX8053
VCC
VCC
VCC
16
GND
ANALOG I/O
OFF
A
VCC
VIH
OFF
VIH
6
8
Figure 3. Maximum Off Channel Leakage Current,
Any One Channel, Test Set–Up
VCC
Figure 4. Maximum Off Channel Leakage Current,
Common Channel, Test Set–Up
VCC
16
A
VCC
16
0.1µF
fin
ON
VOS
dB
METER
ON
N/C
COMMON O/I
OFF
VCC
COMMON O/I
6
8
GND
OFF
VCC
COMMON O/I
OFF
NC
VCC
16
GND
RL
CL*
ANALOG I/O
VIL
6
6
8
8
*Includes all probe and jig capacitance
Figure 5. Maximum On Channel Leakage Current,
Channel to Channel, Test Set–Up
VCC
16
VIS
0.1µF
fin
VCC
16
VOS
dB
METER
OFF
RL
Figure 6. Maximum On Channel Bandwidth,
Test Set–Up
CL*
RL
ON/OFF
COMMON O/I
ANALOG I/O
RL
OFF/ON
RL
RL
6
6
8
VIL or VIH
VCC
GND
CHANNEL SELECT
Vin ≤ 1 MHz
tr = tf = 3 ns
8
TEST
POINT
CL*
VCC
11
CHANNEL SELECT
*Includes all probe and jig capacitance
*Includes all probe and jig capacitance
Figure 7. Off Channel Feedthrough Isolation,
Test Set–Up
Figure 8. Feedthrough Noise, Channel Select to
Common Out, Test Set–Up
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MC74LVX8053
VCC
16
VCC
VCC
CHANNEL
SELECT
ON/OFF
50%
COMMON O/I
ANALOG I/O
OFF/ON
GND
tPLH
TEST
POINT
CL*
tPHL
6
ANALOG
OUT
50%
8
CHANNEL SELECT
*Includes all probe and jig capacitance
Figure 9a. Propagation Delays, Channel Select
to Analog Out
Figure 9b. Propagation Delay, Test Set–Up Channel
Select to Analog Out
VCC
16
ANALOG
IN
COMMON O/I
ANALOG I/O
VCC
ON
50%
TEST
POINT
CL*
GND
tPHL
tPLH
ANALOG
OUT
6
8
50%
*Includes all probe and jig capacitance
Figure 10a. Propagation Delays, Analog In
to Analog Out
tf
tr
90%
50%
10%
ENABLE
tPZL
ANALOG
OUT
Figure 10b. Propagation Delay, Test Set–Up
Analog In to Analog Out
tPLZ
1
VCC
2
GND
1
50%
TEST
POINT
ON/OFF
CL*
VOL
ENABLE
90%
1kΩ
ANALOG I/O
2
tPZH tPHZ
ANALOG
OUT
VCC
16
VCC
HIGH
IMPEDANCE
10%
POSITION 1 WHEN TESTING tPHZ AND tPZH
POSITION 2 WHEN TESTING tPLZ AND tPZL
VOH
50%
6
8
HIGH
IMPEDANCE
Figure 11a. Propagation Delays, Enable to
Analog Out
Figure 11b. Propagation Delay, Test Set–Up
Enable to Analog Out
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MC74LVX8053
VCC
VIS
A
VCC
16
RL
fin
16
VOS
ON
COMMON O/I
ON/OFF
NC
ANALOG I/O
0.1µF
OFF/ON
OFF
RL
RL
CL*
RL
CL*
VCC
6
6
8
8
CHANNEL SELECT
11
*Includes all probe and jig capacitance
Figure 12. Crosstalk Between Any Two
Switches, Test Set–Up
Figure 13. Power Dissipation Capacitance,
Test Set–Up
0
VIS
VCC
16
0.1µF
fin
– 10
VOS
ON
CL*
TO
DISTORTION
METER
– 30
– 40
dB
RL
FUNDAMENTAL FREQUENCY
– 20
– 50
DEVICE
– 60
6
SOURCE
– 70
8
– 80
– 90
*Includes all probe and jig capacitance
– 100
1.0
2.0
3.125
FREQUENCY (kHz)
Figure 14a. Total Harmonic Distortion, Test Set–Up
Figure 14b. Plot, Harmonic Distortion
APPLICATIONS INFORMATION
connected). However, tying unused analog inputs and
outputs to VCC or GND through a low value resistor helps
minimize crosstalk and feedthrough noise that may be
picked up by an unused switch.
Although used here, balanced supplies are not a
requirement. The only constraints on the power supplies are
that:
VCC – GND = 2 to 6 volts
When voltage transients above VCC and/or below GND
are anticipated on the analog channels, external Germanium
or Schottky diodes (Dx) are recommended as shown in
Figure 16. These diodes should be able to absorb the
maximum anticipated current surges during clipping.
The Channel Select and Enable control pins should be at
VCC or GND logic levels. VCC being recognized as a logic
high and GND being recognized as a logic low. In this
example:
VCC = +5V = logic high
GND = 0V = logic low
The maximum analog voltage swing is determined by the
supply voltages VCC. The positive peak analog voltage
should not exceed VCC. Similarly, the negative peak analog
voltage should not go below GND. In this example, the
difference between VCC and GND is five volts. Therefore,
using the configuration of Figure 15, a maximum analog
signal of five volts peak–to–peak can be controlled. Unused
analog inputs/outputs may be left floating (i.e., not
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9
MC74LVX8053
VCC
+5V
16
+5V
ANALOG
SIGNAL
0V
ON
6
8
Dx
+5V
ANALOG
SIGNAL
VCC
16
Dx
Dx
VEE
VEE
8
Figure 15. Application Example
Figure 16. External Germanium or
Schottky Clipping Diodes
+5V
+5V
16
+5V
ANALOG
SIGNAL
GND
ON/OFF
6
8
Dx
ON/OFF
0V
TO EXTERNAL CMOS
CIRCUITRY 0 to 5V
DIGITAL SIGNALS
11
10
9
VCC
ANALOG
SIGNAL
+5V
*
R
R
11
10
9
+5V
+5V
GND
GND
16
ANALOG
SIGNAL
ON/OFF
+5V
ANALOG
SIGNAL
R
GND
+5V
6
LSTTL/NMOS
CIRCUITRY
8
* 2K ≤ R ≤ 10K
11
10
9
LSTTL/NMOS
CIRCUITRY
VHC1GT50
BUFFERS
a. Using Pull–Up Resistors
b. Using HCT Interface
Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs
A
11
13
LEVEL
SHIFTER
12
14
B
10
1
LEVEL
SHIFTER
2
15
C
9
3
LEVEL
SHIFTER
5
4
ENABLE
6
LEVEL
SHIFTER
Figure 18. Function Diagram, LVX8053
http://onsemi.com
10
X1
X0
X
Y1
Y0
Y
Z1
Z0
Z
MC74LVX8053
MARKING DIAGRAMS
(Top View)
16
15
14
13
12
11
10
16 15 14 13 12 11 10
9
9
LVX
LVX8053
8053
AWLYWW*
1
2
3
4
ALYW*
5
6
7
8
1
16–LEAD SOIC
D SUFFIX
CASE 751B
2
3
4
5
6
7
8
16–LEAD TSSOP
DT SUFFIX
CASE 948F
*See Applications Note #AND8004/D for date code and traceability information.
PACKAGE DIMENSIONS
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B–05
ISSUE J
–A
–
16
9
1
8
–B
–
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.
P 8 PL
0.25 (0.010)
M
B
M
G
K
F
R X 45°
C
–T
SEATING
–
PLANE
J
M
D 16 PL
0.25 (0.010)
M
T B
S
A
S
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11
DIM
A
B
C
D
F
G
J
K
M
P
R
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
7°
0°
0.229 0.244
0.010 0.019
MC74LVX8053
PACKAGE DIMENSIONS
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 948F–01
ISSUE O
16X K REF
0.10 (0.004)
0.15 (0.006) T U
M
T U
V
S
S
S
ÉÉ
ÇÇ
ÇÇ
ÉÉ
ÇÇ
ÉÉ
K
K1
2X
L/2
16
9
J1
B
–U–
L
SECTION N–N
J
PIN 1
IDENT.
8
1
N
0.25 (0.010)
0.15 (0.006) T U
S
A
–V–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH.
PROTRUSIONS OR GATE BURRS. MOLD FLASH OR
GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER
SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED
0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED AT
DATUM PLANE –W–.
M
N
F
DETAIL E
–W–
C
0.10 (0.004)
–T– SEATING
PLANE
H
D
DETAIL E
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
MIN
MAX
4.90
5.10
4.30
4.50
–––
1.20
0.05
0.15
0.50
0.75
0.65 BSC
0.18
0.28
0.09
0.20
0.09
0.16
0.19
0.30
0.19
0.25
6.40 BSC
0_
8_
INCHES
MIN
MAX
0.193
0.200
0.169
0.177
–––
0.047
0.002
0.006
0.020
0.030
0.026 BSC
0.007
0.011
0.004
0.008
0.004
0.006
0.007
0.012
0.007
0.010
0.252 BSC
0_
8_
G
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MC74LVX8053/D