|
|
HCC4543BのメーカーはSTMicroelectronicsです、この部品の機能は「BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER」です。 |
部品番号 | HCC4543B |
| |
部品説明 | BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER | ||
メーカ | STMicroelectronics | ||
ロゴ | |||
このページの下部にプレビューとHCC4543Bダウンロード(pdfファイル)リンクがあります。 Total 12 pages
HCC/HCF4543B
HCC4543B
HCF4543B
BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER
DISPLAY BLANKING OF ALL ILLEGAL INPUT
COMBINATIONS
LATCH STORAGE OF CODE
CAPABILITY OF DRIVING TWO LOW POWER
TTL LOADS, TWO HTL LOADS, OR ONE LOW
POWER SCHOTTKY LOAD OVER THE FULL
RATED-TEMPERATURE RANGE
PIN-FOR-PIN REPLACEMENT FOR THE
HCF4056B (with pin 7 tied to VSS)
DIRECT LED DRIVING CAPABILITY
100% TESTED FOR QUIESCENT CURRENT
AT 20V
MAXIMUM INPUT CURRENT OF 1A AT 18V
OVER FULL PACKAGE-TEMPERATURE
RANGE ; 100nA AT 18V AND 25°C
NOISE MARGIN (full package-temperature
range) = 1V AT VDD = 5V
2V AT VDD = 10V
2.5V AT VDD = 15V
5-V, 10-V, AND 15-V PARAMETRIC RATINGS
Applications :
INSTRUMENT DISPLAY DRIVER
DASHBOARD DISPLAY DRIVER
COMPUTER/CALCULATOR DISPLAY DRIVER
TIMING DEVICE DRIVER (clocks, watches,
timers)
D ESC RI PTI O N
The HCC/HCF4543B is a BCD-to-seven segment
latch/decoder/driver designed primarily for liquid-
crystal display (LCD) applications. It is also capable
of driving light emitting diode (LED), incandescent,
gas-discharge, and fluorescent displays. This de-
vice is functionally similar to and serves as direct re-
placement for the HCF4056B when pin 7 is
connected to VSS. It differs from the HCF4056B in
that it has a display blanking capability instead of a
level-shifting function and requires only one power
supply. When the HCF4056B is used in the level
shifting mode, two power supplies are required.
When the HCF4543B is used for LCD applications,
a square wave must be applied to the PHASE input
and the backplane of the LCD device. For LED ap-
plications a logic 1 is required at the PHASE input
for common-cathode devices ; a logic 0 is required
for common-anode devices (see truth table).
December 1989
EY F
(Plastic Package) (Ceramic Frit Seal Package)
M1 C1
(Micro Package)
(Plastic Chip Carrier)
ORDER CODES :
HCC4543 BF
HCF4543 BM1
HCF4543 BEY
HCF4543 BC1
PIN CONNECTION (top view)
1/12
1 Page HCC/HCF4543B
TRUTH TABLE
INPUT CODE
LD BI Ph* D C B A a b
X1 0XXXX0 0
100000011
100000101
100001011
100001111
100010001
100010110
100011010
100011111
100100011
100100111
100101000
100101100
100110000
100110100
100111000
100111100
0 0 0XXXX
•••
•
X = Don’t care.
• = Above combinations
* = For liquid-crystal readouts, apply a square wave to Ph.
For common cathode LED readouts, select Ph = 0.
For common anode LED readouts, select Ph = 1.
** = Depends upon the BCD code previously applied when LD = 1.
OUTPUT STATE
cde
000
1 11
1 00
0 11
1 10
1 00
1 10
1 11
1 00
1 11
1 10
0 00
0 00
0 00
0 00
0 00
0 00
**
Inverse of Output
Combinations
Above
f
0
1
0
0
0
1
1
1
0
1
1
0
0
0
0
0
0
g
DI SPL AY
CHARACTER
0
00
01
12
13
14
15
16
07
18
19
0 Blank
0 Blank
0 Blank
0 Blank
0 Blank
0 Blank
**
Display
as above
3/12
3Pages HCC/HCF4543B
Typical Output Low (sink) Current Characteristics. Minimum Output Low (sink) Current Characteristics.
Typical Transition Time as a Function of Load Ca-
pacitance
Typical Propagation Delay Time as a Function of
Load Capacitance
Typical Dinamic Power Dissipation as a Function of
Frequency
6/12
6 Page | |||
ページ | 合計 : 12 ページ | ||
|
PDF ダウンロード | [ HCC4543B データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
HCC4543B | BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER | STMicroelectronics |
HCC4543BF | BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER | STMicroelectronics |