MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
LCD Segment Driver
CMOS
The MC141511A is an LCD frontplane (segment) driver chip which in-
cludes a 656 x 8 display RAM. The MC68HC05L10 microcomputer is the
companion device which provides the backplane drive.
The MC68HC05L10, together with one MC141511A, may be used to
drive a 5248-pixel muxed-by-41 display or a 4096-pixel muxed-by-32 dis-
play. Larger displays may be driven by adding additional MC141511A.
The MC141511A is a low operating voltage version of MC141511. It is
pin to pin compatible to the MC141511.
See Application Note AN-HK-13A.
• Operating Supply Voltage Range -
Control Logic, RAM, and Latch (VDD Pin): 2.7V to 5.5V
Frontplane Drivers (VLCD Pin): 4.5V to 13.2V
• Operating Temperature Range: -20 to 70˚C
• Direct Interface with the MC68HC05L10
• 656 x 8 Static RAM (Display RAM)
• 128 LCD Segment (Frontplane) Driving Signals
• 10-Bit Address Bus and 8-Bit Bidirectional Data Bus
• Selectable 1:32 or 1:41 Multiplex Ratios
• Available in Two Forms:
TAB (Tape Automated Bonding), 161 Contacts, 10 sprocket hole device
Die Form Without Gold Bumps, 159 Pads with 4.5 mil Pads Pitch
MC141511A
MC141511AT2
TAB
MCC141511A
DIE
ORDERING INFORMATION
MCC141511A
MC141511AT2
BARE DIE
TAB
BLOCK DIAGRAM
D0-D7
A0-A9
R/W
BPCLK
BPSYNC
PHI2
CE
LRS
MS
VDD
SEGMENT DRIVER
LEVEL
SELECTOR
VLCD
VSEGH
VSEGL
VSS
Control Logi c
Display RAM
LCD DATA LATCH
DRIVER OUTPUTS
REV 3
10/96
MOTOROLA
MC141511A
3–19
MAXIMUM RATINGS*(Voltages
Referenced to V
SS
, T
A
= 25˚C)
Symbol
V
DD
V
LCD
V
in
I
T
A
T
stg
Input Voltage
Current Drain Per Pin Excluding V
DD
and V
SS
Operating Temperature
Storage Temperature Range
Supply Voltage
Parameter
Value
-0.3 to +7.0
-0.3 to +14.0
V
SS
-0.3 to V
DD
+0.3
25
-20 to +70
-65 to +150
Unit
V
V
V
mA
˚C
˚C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional
operation should be restricted to the limits in the Electrical Characteristics tables or Pin Description
section.
ELECTRICAL CHARACTERISTICS
(Voltage Referenced to V
SS
, T
A
= 25˚C)
Symbol
V
DD
V
LCD
Operating Voltage
Supply Voltage
LCD Voltage
Supply Current
at V
DD
=5.5V (PHI2=3.685MHz)
ACCESS
DISPLAY
STANDBY (Using D
ON
bit of the MCU)
at V
DD
=3.0V (PHI2=1.25MHz)
ACCESS
DISPLAY
STANDBY (Using D
ON
bit of the MCU)
Supply Current at V
LCD
Output Voltage, Iload10.0uA
Output High Voltage (Iload=1.6mA)
Output Low Voltage (Iload=1.6mA)
Input High Voltage
Input Low Voltage
Data Retention
Input Current
Capacitance
BPCLK, BPSYNC, R/W, PHI2, D7-D0
R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0
D7-D0
D7-D0
D7-D0
R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0
R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0
Parameter
This device contains circuitry to protect the inputs
against damage due to high static voltages or elec-
tric fields; however, it is advised that normal precau-
tions to be taken to avoid application of any voltage
higher than maximum rated voltages to this high
impedance circuit. For proper operation it is recom-
mended that V
in
and V
out
be constrained to the
range V
SS
< or = (V
in
or V
out
) < or = V
DD
. Reliability
of operation is enhanced if unused input are con-
nected to an appropriate logic voltage level (e.g.,
either V
SS
or V
DD
). Unused outputs must be left
open. This device may be light sensitive. Caution
should be taken to avoid exposure of this device to
any light source during normal operation. This
device is not radiation protected.
Min
2.7
4.5
Typ
-
-
Max
5.5
13.2
Unit
V
V
I
AC
I
DP
I
SB
I
AC
I
DP
I
SB
I
LCD
V
OL
V
OH
V
OH
V
OL
V
IH
V
IL
V
R
I
in
C
in
I
OH
I
OL
-
-
-
-
-
-
-
-
V
LCD
-0.1
V
DD
-0.8
-
0.8xV
DD
V
SS
2.0
-
-
+20
-
-
25
15
-
17
10
-
-
-
-
-
-
-
-
-
-
-
-
200
30
20
200
30
20
200
0.1
-
-
0.4
V
DD
0.2xV
DD
-
1
8
-
-20
uA
uA
uA
uA
uA
uA
uA
V
V
V
V
V
V
V
uA
pF
uA
uA
Output current (V
OH
=4.5V, V
OL
=0.5V)
MC141511A
3–22
MOTOROLA
ARM Technology
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