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參數(shù)資料
| 型號： | MC14489P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Digital Signal Processor 181-CPGA -55 to 125 |
| 中文描述： | LED DISPLAY DRIVER, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 303K |
| 代理商： | MC14489P |
MC14489
10
MOTOROLA
(a) Configuration Registers
C7
C6
C5
C4
C3
C2
C1
C0
1ST BYTE
SHIFTED IN
2ND BYTE
3RD BYTE
4TH BYTE
CONFIGURATION
REGISTER OF
DEVICE 2 IN
FIGURE 11
CONFIGURATION
REGISTER OF
DEVICE 1 IN
FIGURE 11
DON’T CARE
DON’T CARE
(b) Display Registers
Figure 8. Bit Stream Formats for Two Devices Cascaded
D23
D22
D21
D20
D19 D18
D17
D16
D15 D14 D13
D12 D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
1ST BYTE
SHIFTED IN
2ND BYTE
3RD BYTE
4TH BYTE
h BITS
AND
DIMMER
BIT
h BITS
AND
DIMMER
BIT
5TH BYTE
BANK
5
NIBBLE
BANK
4
NIBBLE
BANK
3
NIBBLE
BANK
2
NIBBLE
BANK
1
NIBBLE
BANK
5
NIBBLE
BANK
4
NIBBLE
BANK
3
NIBBLE
BANK
2
NIBBLE
BANK
1
NIBBLE
6TH BYTE
DISPLAY REGISTER OF DEVICE 2
IN FIGURE 11
DISPLAY REGISTER OF DEVICE 1
IN FIGURE 11
NOTE: ENABLE (which initially must be inactive high) is kept active–low during the entire 4–byte configuration transfer or 6–byte display
transfer. When ENABLE is brought back high, either a 4– or 6–byte transfer occurs in the cascaded devices, depending on the number
of bytes in the transfer.
Figure 9. a through h Nominal Current per Output versus Rx
35
30
25
20
15
10
5
400
800
1.2 k
2.0 k
2.4 k
2.8 k
3.2 k
3.6 k
4.0 k
1.6 k
i
5 V SUPPLY
BIT D23 = HIGH (BRIGHTEN LEDs)
WITH D23 = LOW, iOH IS CUT BY
～
50%.
Rx, EXTERNAL RESISTOR (
)
NOTE: Drive current tolerance is approximately
±
15%.
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| MC14490DW | 功能描述:算數(shù)邏輯單元 - ALU LOG CMOS 3-18V HEX BOUNCE ELIMINATOR RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
| MC14490DWG | 功能描述:算數(shù)邏輯單元 - ALU LOG CMOS 3-18V HEX BOUNCE ELIMINATOR RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
| MC14490DWG | 制造商:ON Semiconductor 功能描述:Gate / Inverter Logic IC Package/Case:16 |
| MC14490DWR2 | 功能描述:算數(shù)邏輯單元 - ALU LOG CMOS 3-18V HEX BOUNCE ELIMINATOR RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
| MC14490DWR2G | 功能描述:算數(shù)邏輯單元 - ALU LOG CMOS 3-18V HEX BOUNCE ELIMINATOR RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
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