參數(shù)資料
型號: MC14489B
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multi-Character LED Display/Lamp Driver(多字符LED顯示/ 指示燈驅(qū)動器)
中文描述: 多字符LED顯示/燈驅(qū)動器(多字符LED顯示/指示燈驅(qū)動器)
文件頁數(shù): 3/22頁
文件大小: 2258K
代理商: MC14489B
MC14489B
MOTOROLA
3
ELECTRICAL CHARACTERISTICS
(Voltages Referenced to VSS, TJ = – 40
°
to 130
°
C* unless otherwise indicated)
Symbol
Parameter
Test Condition
VDD
V
Guaranteed
Limit
Unit
VDD
Power Supply Voltage Range of LED Drive Circuitry
4.5 to 5.5
V
VDD (stby)
Minimum Standby Voltage
Bits Retained in Display and
Configuration Registers, Data
Port Fully Functional
3.0
V
VIL
Maximum Low–Level Input Voltage
(Data In, Clock, Enable)
3.0
5.5
0.9
1.65
V
VIH
Minimum High–Level Input Voltage
(Data In, Clock, Enable)
3.0
5.5
2.1
3.85
V
VHys
Minimum Hysteresis Voltage
(Data In, Clock, Enable)
3.0
5.5
0.2
0.4
V
VOL
Maximum Low–Level Output Voltage
(Data Out)
Iout = 20
μ
A
3.0
5.5
0.1
0.1
V
Iout = 1.3 mA
Iout = – 20
μ
A
4.5
0.4
VOH
Minimum High–Level Output Voltage
(Data Out)
3.0
5.5
2.9
5.4
V
Iout = – 800
μ
A
Vin = VDD or VSS
Vin = VDD or VSS,
TJ = 25
°
C only
4.5
4.1
Iin
Maximum Input Leakage Current
(Data In Clock Enable)
(Data In, Clock, Enable)
5.5
±
2.0
μ
A
5.5
±
0.1
iOL
Minimum Sinking Current
(a, b, c, d, e, f, g, h)
Vout = 1.0 V
4.5
0.2
mA
iOH
Peak Sourcing Current — See Figure 7 for currents up to
35 mA (a, b, c, d, e, f, g, h)
Rx = 2.0 k
, Vout = 3.0 V,
Dimmer Bit = High
5.0
13 to 17.5
mA
Rx = 2.0 k
, Vout = 3.0 V,
Dimmer Bit = Low
5.0
6 to 9
IOZ
Maximum Output Leakage Current
(Bank 1 Bank 2 Bank 3 Bank 4 Bank 5)
(Bank 1, Bank 2, Bank 3, Bank 4, Bank 5)
Vout = VDD (FET Leakage)
Vout = VDD (FET Leakage),
TJ = 25
°
C only
5.5
50
μ
A
5.5
1
Vout = VSS (Protection Diode
Leakage)
5.5
1
Ron
Maximum ON Resistance
(Bank 1, Bank 2, Bank 3, Bank 4, Bank 5)
Iout = 0 to 200 mA
5.0
10
IDD, ISS
Maximum Quiescent Supply Current
Device in Low–Power Mode,
Vin = VSS or VDD, Rx in
Place, Outputs Open
5.5
100
μ
A
Same as Above, TJ = 25
°
C
5.5
20
Iss
Maximum RMS Operating Supply Current
(The VSS leg does not contain the Rx current component.
See Pin Descriptions.)
Device NOT in Low–Power
Mode, Vin = VSS or VDD,
Outputs Open
5.5
1.5
mA
* See Thermal Considerations section.
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