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ICM7232 Datasheet(PDF) 5 Page - Intersil Corporation

Part # ICM7232
Description  Numeric/Alphanumeric Triplexed LCD Display Drivers
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ICM7232 Datasheet(HTML) 5 Page - Intersil Corporation

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9-23
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VDD - VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Input Voltage (Note 1). . . . . . . . . . . . . . . . . . . . VSS - 0.3 ≤ VIN ≤ 6.5
Display Voltage (Note 1) . . . . . . . . . . . . . . . . . . . .0.3
≤ VDISP ≤ +0.3
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -25oC to 85oC
Thermal Resistance (Typical, Note 2)
θJA (oC/W) θJC (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . .
60
N/A
CERDIP Package . . . . . . . . . . . . . . . .
50
12
Maximum Junction Temperature
Ceramic Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175oC
Plastic Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering, 10s) . . . . . . . . . . . . 300oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Due to the SCR structure inherent in these devices, connecting any display terminal or the display voltage terminal to a voltage outside
the power supply to the chip may cause destructive device latchup. The digital inputs should never be connected to a voltage less than
-0.3V below ground, but maybe connected to voltages above VDD but not more than 6.5V above VSS.
2.
θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
V+ = 5V +10%, VSS = 0V, TA = -25
oC to 85oC, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Voltage, VDD
4.5
>4
5.5
V
Data Retention Supply Voltage, VDD
Guaranteed Retention at 2V
2
1.6
-
V
Logic Supply Current, IDD
Current from VDD to Ground Excluding Display.
VDISP = 2V
-
30
100
µA
Shutdown Total Current, IS
VDISP Pin 2 Open
-
1
10
µA
Display Voltage Range, VDISP
VSS ≤ VDISP ≤ VDD
0-
VDD
V
Display Voltage Setup Current, IDISP
VDISP = 2V, Current from VDD to VDISP On-Chip
-
15
30
µA
Display Voltage Setup Resistor Value, RDISP One of Three Identical Resistors in String
40
75
-
k
DC Component of Display Signals
(Sample Test Only)
-
1/
4
1%(VDD-VDISP)
Display Frame Rate, fDISP
See Figure 5
60
90
120
Hz
Input Low Level, VIL
ICM7231, Pins 30 - 35, 37 - 39, 1
ICM7232, Pins 1, 38, 39 (Note 2)
-
-
0.8
V
Input High Level, VIH
2.0
-
-
V
Input Leakage, IILK
-
0.1
1
µA
Input Capacitance, CIN
-5-
pF
Output Low Level, VOL
Pin 37, ICM7232, IOL = 1mA
-
-
0.4
V
Output High Level, VOH
VDD = 4.5V, IOH = -500µA
4.1
-
-
V
Operating Temperature Range, TOP
Industrial Range
-25
-
+85
oC
AC Specifications
VDD = 5V +10% VSS = 0V, -25
oC to 85oC
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PARALLEL INPUT (ICM7231) See Figure 1
Chip Select Pulse Width, tCS
(Note 1)
500
350
-
ns
Address/Data Setup Time, tDS
(Note 1)
200
-
-
ns
Address/Data Hold Time, tDH
(Note 1)
0
-20
-
ns
Inter-Chip Select Time, tICS
(Note 1)
3
-
-
µs
SERIAL INPUT (ICM7232) See Figures 2, 3
Data Clock Low Time, tCL
(Note 1)
350
-
-
ns
Data Clock High Time, tCL
(Note 1)
350
-
-
ns
Data Setup Time, tDS
(Note 1)
200
-
-
ns
Data Hold Time, tDH
(Note 1)
0
-20
-
ns
Write Pulse Width, tWP
(Note 1)
500
350
-
ns
Write Pulse to Clock at Initialization, tWLL
(Note 1)
1.5
-
-
µs
Data Accepted Low Output Delay, tODL
(Note 1)
-
200
400
ns
Data Accepted High Output Delay, tODH
(Note 1)
-
1.5
3
µs
Write Delay After Last Clock, tCWS
(Note 1)
350
-
-
ns
ICM7231, ICM7232


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