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MC14XXXBD 数据表(PDF) 1 Page - Motorola, Inc

部件名 MC14XXXBD
功能描述  BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

MC14XXXBD 数据表(HTML) 1 Page - Motorola, Inc

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MOTOROLA CMOS LOGIC DATA
361
MC14511B
BCD-To-Seven Segment
Latch/Decoder/Driver
The MC14511B BCD–to–seven segment latch/decoder/driver is
constructed with complementary MOS (CMOS) enhancement mode devices
and NPN bipolar output drivers in a single monolithic structure. The circuit
provides the functions of a 4–bit storage latch, an 8421 BCD–to–seven
segment decoder, and an output drive capability. Lamp test (LT), blanking
(BI), and latch enable (LE) inputs are used to test the display, to turn–off or
pulse modulate the brightness of the display, and to store a BCD code,
respectively. It can be used with seven–segment light–emitting diodes
(LED), incandescent, fluorescent, gas discharge, or liquid crystal readouts
either directly or indirectly.
Applications include instrument (e.g., counter, DVM, etc.) display driver,
computer/calculator display driver, cockpit display driver, and various clock,
watch, and timer uses.
• Low Logic Circuit Power Dissipation
• High–Current Sourcing Outputs (Up to 25 mA)
• Latch Storage of Code
• Blanking Input
• Lamp Test Provision
• Readout Blanking on all Illegal Input Combinations
• Lamp Intensity Modulation Capability
• Time Share (Multiplexing) Facility
• Supply Voltage Range = 3.0 V to 18 V
• Capable of Driving Two Low–power TTL Loads, One Low–power
Schottky TTL Load or Two HTL Loads Over the Rated Temperature
Range
• Chip Complexity: 216 FETs or 54 Equivalent Gates
• Triple Diode Protection on all Inputs
MAXIMUM RATINGS* (Voltages Referenced to VSS)
Rating
Symbol
Value
Unit
DC Supply Voltage
VDD
– 0.5 to + 18
V
Input Voltage, All Inputs
Vin
– 0.5 to VDD + 0.5
V
DC Current Drain per Input Pin
I
10
mA
Operating Temperature Range
TA
– 55 to + 125
_C
Power Dissipation per Package†
PD
500
mW
Storage Temperature Range
Tstg
– 65 to + 150
_C
Maximum Output Drive Current
(Source) per Output
IOHmax
25
mA
Maximum Continuous Output Power
(Source) per Output ‡
POHmax
50
mW
‡POHmax = IOH (VDD – VOH)
* Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/
_C From 65_C To 125_C
Ceramic “L” Packages: – 12 mW/
_C From 100_C To 125_C
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
© Motorola, Inc. 1995
REV 3
1/94
MC14511B
L SUFFIX
CERAMIC
CASE 620
ORDERING INFORMATION
MC14XXXBCP
Plastic
MC14XXXBCL
Ceramic
MC14XXXBDW
SOIC
MC14XXXBD
SOIC
TA = – 55° to 125°C for all packages.
P SUFFIX
PLASTIC
CASE 648
D SUFFIX
SOIC
CASE 751B
PIN ASSIGNMENT
DW SUFFIX
SOIC
CASE 751G
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
b
a
g
f
VDD
e
d
c
BI
LT
C
B
VSS
A
D
LE
0
1
2
3
4
5
6
7
8
9
DISPLAY
a
b
c
d
e
f
g
Inputs
Outputs
LE BI LT
D
C
B
A
a
b
c
d
e
f
g
Display
X
X
0
X
X
X
X
1
1
1
1
1
1
1
8
X
0
1
X
X
X
X
0
0
0
0
0
0
0
Blank
0
1
1
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
0
0
0
1
0
1
1
0
0
0
0
1
0
1
1
0
0
1
1
1
1
1
1
0
0
1
2
0
1
1
0
0
1
1
1
1
1
1
0
0
1
3
0
1
1
0
1
0
0
0
1
1
0
0
1
1
4
0
1
1
0
1
0
1
1
0
1
1
0
1
1
5
0
1
1
0
1
1
0
0
0
1
1
1
1
1
6
0
1
1
0
1
1
1
1
1
1
0
0
0
0
7
0
1
1
1
0
0
0
1
1
1
1
1
1
1
8
0
1
1
1
0
0
1
1
1
1
0
0
1
1
9
0
1
1
1
0
1
0
0
0
0
0
0
0
0
Blank
0
1
1
1
0
1
1
0
0
0
0
0
0
0
Blank
0
1
1
1
1
0
0
0
0
0
0
0
0
0
Blank
0
1
1
1
1
0
1
0
0
0
0
0
0
0
Blank
0
1
1
1
1
1
0
0
0
0
0
0
0
0
Blank
0
1
1
1
1
1
1
0
0
0
0
0
0
0
Blank
1
1
1
X
X
X
X
*
*
X = Don’t Care
* Depends upon the BCD code previously applied when LE = 0
TRUTH TABLE


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