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HM1650 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM1650
Description  LED Drive Control/Keyboard Scan Specific Integrated Circuit
PDF  7 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM1650 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM1650 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1650 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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Display data command in the table show
High 8-bit
Low 8-bit
Function
68
XX
LED 0 bit display, XX for 8-bit data, the highest bit of punctuation
6A
XX
LED 1 bit display, XX for 8-bit data, the highest bit of punctuation
6C
XX
LED 2 bit display, XX for 8-bit data, the highest bit of punctuation
6E
XX
LED 3 bit display, XX for 8-bit data, the highest bit of punctuation
Get keys code command in the table show
High 8-bit
Low 8-bit
Function
4F
—
Access keys, return key codes
Key code
GR1
GR2
GR3
GR4
SG1/KS1
44H
45H
46H
47H
SG2/KS2
4CH
4DH
4EH
4FH
SG3/KS3
54H
55H
56H
57H
SG4/KS4
5CH
5DH
5EH
5FH
SG5/KS5
64H
65H
66H
67H
SG6KS6
6CH
6DH
6EH
6FH
SG7/KS7
74H
75H
76H
77H
Absolute Maximum Ratings（Ta = 25℃）
Parameter
Symbol
Range
Unit
Power supply
VCC
-0.5 ～ +6.5
V
Input voltage
VI
-0.5 ～ VCC + 0.5
V
Operating temperature
Topt
-40 ～ +85
℃
Storage temperature
Tstg
-55 ～ +125
℃
Electrical Characteristics（test condition：Ta = 25℃，VCC =5V）
Parameter
Symbol
Mix
Typ
Max
Unit
Supply voltage
VCC
3
5
5.5
V
Power current
IC
－
80
150
mA
Quiescent current
（
CLK、DAT、KP is high）
ICs
0.3
0.6
mA
Sleep current
（
CLK、DAT、KP is high）
ICslp
0.05
0.1
mA
CLK and DAT pin low level input voltage
VIL
-0.5
0.8
V
CLK and DAT pin high level input
voltage
VIH
2.0
VCC+0.5
V
KS pin low level input voltage
VILki
-0.5
0.5
V
HM1650



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