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MAX7231CFEPLMAXN/a3avai8-Digit, Triplexed LCD Decoder Driver


MAX7231CFEPL ,8-Digit, Triplexed LCD Decoder DriverFeatures . MAX7231 drives 8 digits/7 segments; parallel input format; 2 annunciators per digi ..
MAX7231CFIPL ,Triplexed LCD Decoder/DriversGeneral Description The MAX7231/32/33/34 family of integrated circuits is a complete line of tr ..
MAX7233AFIPL ,Triplexed LCD Decoder/Driversapplications where power consumption is a primary concern. Many applica- tions also take advantag ..
MAX7233BFIPL ,Triplexed LCD Decoder/DriversFeatures . MAX7231 drives 8 digits/7 segments; parallel input format; 2 annunciators per digi ..
MAX7234BFIPL ,Triplexed LCD Decoder/Driversapplications where power consumption is a primary concern. Many applica- tions also take advantag ..
MAX723CSE ,PALMTOP COMPUTER AND LCD POWER SUPPLY REGULATORSELECTRICAL CHARACTERISTICS (Circuit of Figure l, VBATT1 = VBATT2 = 2.5V, ILOAD = 0mA, TA = TMIN ..
MB47393P ,Dual comparatorFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
MB47393P ,Dual comparatorFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
MB47393PF ,Dual comparatorFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
MB4752A ,SUBSCRIBER LINE INTERFACE IC" mm; gr T$544-A874 'j?itl,'l,lllill,ililill MB4752A April 1987 'llllllllllllllllllllllllill ..
MB4M ,MINIATURE GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIERapplications0.205 (5.21)0.179 (4.55)0.195 (4.95)Mechanical Data0.049 (1.24)0.039 (0.99)0.106 (2.70) ..
MB4S ,Bridge RectifiersThermal Characteristics (T = 25°C unless otherwise noted)AParameter Symbol MB2S MB4S MB6S UnitDevic ..


MAX7231CFEPL
8-Digit, Triplexed LCD Decoder Driver
- _- .__A.__ General Description
The MAX7231/32/33/34 family of integrated circuits
is a complete line of triplexed liquid crystal display
(LCD) drivers. These devices interface microproces-
sors (or digital systems) to multiplexed numeric and
alphanumeric displays. The MAX7231 drives 8 digits
and accepts data in a parallel format. The MAX7232
drives 10 digits and accepts data in a serial format.
Both devices feature two independent annunciators
per digit. The MAX7233 drives 4 alphanumeric 18
segment characters, The MAX7234 drives 5 alpha-
numeric 18 segment characters.
Each device includes an input butter, digit address
decoding circuitry and mask-programmed ROM
allowing six bits of input data to be decoded into
64 independent combinations of the output seg-
ments of each digit. This offloads the microprocessor
system. reducing the ROM space and CPU time
needed to service a display.
-e- Applications
These low-power LCD drivers are ideal for micro-
processor-based portable applications where power
consumption is a primary concern. Many applica-
tions also take advantage of the annunciator drive
capability, which allows unlimited variations of
display layout.
Portable instrumentation
Industrial equipment
Telecommunications
Medical equipment
Panel Meters
Machine control
Typical Operating Circuit
‘ ----- - - T
%ll%%%l% _
r,, --
t l I l
MA X 7233 MAX7233
(32 cm A, AcDrDs trgtsl A. Ac thrDs
T l g I L e
me MAXT‘JJJ l, dnvmg 8 character fl/su/ay INPUT " C
l 'UeMHE-a CHFUH Dragram - Figure, 27:
lVl/JXI/VI - - i -
Call toll free 1-800-998-8800 for free samples or literature.
2AlALill 2t il /M]
Triplexed LCD
Decoder/Drivers
- -i - Features
. MAX7231 drives 8 digits/7 segments; parallel
input tormat; 2 annunciators per digit
t MAX7232 drives 10 digits/7 segments; serial
input format; 2 annunciators per digit
. MAX7233 drives 4 alphanumeric characters/
18 segments; parallel input tormat
. MAX7234 drives 5 alphanumeric characters/
18 segments; serial input format
. On-chip oscillator
. Direct interface to microprocessors
. Monolithic, Low Power CMOS Design
_----------- Ordering Information
PART - TEMP. RANGE it’ACKiGE" t
MAX7231AFIPL
_-20'C to ~aswc 4d LTariasoc DFl
MAX7231BFlPL -20'"C to -8YC 40 Lead Plastic DIP
.MAX7231CFIPL .2080 IO 85:0 40 Leac PlastucEP
MAX7232AFIPL -20'C to 850 40 Lead Plastic DIP
MAX7232BFlPL -20l to ~85‘c 40 Lead Plastic DIP
(hAX7232CFIPL
cfT/o "ssc" io' Lead Plastic DIP
MAX7233AFIPL
40‘s to -85"C 40 Lejélastuc DE '
MAxmaFIPL arc, to @557 40 LeEPlastlc DIPT ,
W7234AFHT T201320 Csssc 701mm pt'a’sttTalp ,
sTA'iHc23ri3rsoT _ 20330 435507 40 Q0 Plastitbl)
Ordering mtormatvon continued on next page
- Pin Configuration
Fi' View - -,
40 Lead DIP 44 Lead PCC
MAX72'37
2H: 10 Ht'- 31
" I: " CF 30
:2 C 12 29
" C 13 28
I " L u 27
" C 15 N
" L t6 25
AX C 17 M
" C m 23
" : 19 22
MAX7237
http://www.
. Maxim Integrated Products
178/8573 8/ I 831 XVW
Triplexed LCD
Decoder/Drivers
Rt OPTION TABLE, 1 7 --
n DEVICE OUTPUT CODE ANNUNCIATOR LOCATIONS INPUT 'OUTPUT
ti, MAX7231AF Hexdecimal Both Annunicators Parallel Entry 8 DIQIIS
MAX723;BF Code B on COM3 4 bit Data plus
a MAX7231CF Code B 1Annunciator COM1 2 bit Annunciators 16 Annunciators
m - 1 Annunciator COM3 3 bit Address
'ti, MAX7232AF Hexadecimal Both Annunciators Serial Entry 10 Digits
N MAX723PBF Code B on COM3 4 bit Data plus
a 2 Bit Annunciators 2O Annunciators
N, MAX72320F Code B 1 Annunciator COM1 4 bitAddress
h _.1. IAnnurpciator COM3 _.. -
MAX7233AF 64 Character (ASCII) No independent Parallel Entry 6 bit (ASCII) Four
m 18 Segment AnnunCiatars Data Characters
N (Half mam numbers) 2 bit Address A _ g
k MAX7233BF 64 Character (ASCII) No Independent Parallel Entry 6 bit(ASCll) Four
18 Segment Annunciators Data Characters
tt (Full Width numbers) 2 bitAdoress
q MAX7234AF 64 Character (ASCII) No Independent Serial Entry 6 bit (ASCII) Five
18 Segment Annunciators Data Characters
iii! (Half width numbers) 3 bit A_ddress H
MAX72348F 64 Character (ASCII) No Independent Serial Entry 6 bit(ASCll) Fuve
18 Segment Annunciators Data Characters
(Full vy'fith numbers) 3 bit Address
7 - - Ordering Information _ - Pin Configuration
(Continued from front page)
PART TEMP. RANGE PACKAGE I Top View 44 Lead PCC
MAX7231AFIO -20'C to -85'''C 44 Lead Plastic Chip Carrier
DATA ACCEPTED
mm: mpuv
[g nAu mm
''' - I -
MAX7231BF|O -20''C to *85°C 44 Lead Plastic Chip Carrier ' g , b' E 2 . l E
. u u o ' E z ' o
MAX7231CFIO -20''C to *85°C 44 Lead Plastic Chip Carrier ' B , s II I ' kd
IT 7 m 10x
MAX7232AFIO -20'l to +65°C 44 Lead Plastic Chip Carrier "[3 E3 m
1 _ " 9 102
MAX7232BFIQ -20''C to 185°C 44 Lead Plastic Chip Carrier 221:0 as. "
MAX7232
MAX7232CF© -20''C to +85oc 44 Lead Plastic Chip Carrier J, l; 3; $1;
MAX7233AFIO -20''C to +85°C 44 Lead Plastic Chip Carrier “£1 m "
" m an
MAX7233BFI© -20''C to +85°C 44 Lead Plastic Chip Carrier "LE At "
. x " 33 "
.MAX7234AFIO -20''C to 085°C 44 Lead Plastic Chip Carrier " n [a TX
MAX7234BFIQ -20°C to +85“C 44 Lead Plastic Chip Cam: t G t',
40 Lead DIP 40 Lead DIP 40 Lead DIP
ammo DC -, '"
llr-wu: r I - M :1 P' cs”: 1 w 3 T' DATA 2:23: I no J P"
vwsn F 2 MI 2 VTTE INPUT Volsp C 2 39 Cl E2 vmsp 2 as D WHITE INPUT
com E 3 38 3 DATA (NPUT com E a 38 3 AI com 3 as J mmmvm
com C A 37 :1 am ACCEPTED com C a 37 :1 A0 cum 4 37 Cl mm ACCEPTED
com E s 36 jam: QUTPUT com: 5 as :IGND com 5 as D GND our U
12E; :5]qu 1zCs 35305 IE 5 353le
IYCT ujlav Irc' 34304 H , 343511
1xca ”333102 IxEu - QJIJDO IX a _ njsw
" C s"lf//'"3 J " 1w C 'MAY/V'''" Clot 1w 9"”:334 32 J "
" L to 3,: M D " IV[: 10 HF 31 Clot " to W" 31 J "
2x11" CF 30 :191 wt 11 30 Elm IU :52
32:12 zvjax 221212 29Ustg " 3w
" L, 13 N 3 " " E n 28 3 av " Cl "
" C u 27 Cl " " C u " n Aw " J w
'zCls 26:17x 2wC15 26:1“ 2w Dat
" E 16 25 Cl " av: 16 " :1 " " 3 "
" c n 24 j 72 2a: 17 " Cl " 2U D "
" E 18 23 :1 " 32 C " 23 Cl 3U " II au
" C 19 " D av " E 19 22 Cl av " 3 3V
sxcza 21352 axczn mClsw " jaw
Qontmueg on last page of data sheet
2 - - - - - _______ d___v,i, - - - - __ W - k lVl/JKI/Vl
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