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參數(shù)資料
| 型號： | CDP1871AC |
| 廠商： | Intersil Corporation |
| 英文描述： | CMOS Keyboard Encoder |
| 中文描述： | 鍵盤編碼器的CMOS |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 56K |
| 代理商： | CDP1871AC |
4-74
FIGURE 3. CDP1871A DYNAMIC TIMING DIAGRAM (NON-REPEAT)
FIGURE 4. FIGURE 4. CDP1871A DYNAMIC TIMING DIAGRAM (REPEAT)
TPB
KEY
CLOSURE
DA
RPT
DEBOUNCE
D1-D11
CS
(NOTE)
BUS0-BUS7
PRESENT COUNT
R
N
C
X
t
DAL
t
CC
t
CWL
t
CWH
R
X
C
X
VALID
t
CDV
t
CDH
t
CD1
NEXT COUNT
t
DAH
OPEN
CLOSED
NOTE: CS = CS1
CS2
CS3
CS4
CS1, CS2, CS3 = (CPU N-LINES)
CS4 (MRD) is High for CPU Input Instruction
TPB
KEY
DEPRESSED
DA
RPT
DEBOUNCE
D1-D11
CS
(NOTE)
BUS0-BUS7
PRESENT COUNT
t
DAH
t
RPL
R
X
C
X
VALID
t
CDV
t
CDH
NEXT COUNT
OPEN
CLOSED
t
RPH
NOTE: CS = CS1
CS2
CS3
CS4
CS1, CS2, CS3 = (CPU N-LINES)
CS4 (MRD) is High for CPU Input Instruction
CDP1871A, CDP1871AC
相關PDF資料 |
PDF描述 |
|---|---|
| CDP1871ACD | CMOS Keyboard Encoder |
| CDP1871ACDX | CMOS Keyboard Encoder |
| CDP1871ACE | CMOS Keyboard Encoder |
| CDP1871ACQ | CMOS Keyboard Encoder |
| CDP1871AD | CMOS Keyboard Encoder |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CDP1871ACD | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Keyboard Encoder |
| CDP1871ACDX | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Keyboard Encoder |
| CDP1871ACE | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Keyboard Encoder |
| CDP1871ACQ | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Keyboard Encoder |
| CDP1871AD | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Keyboard Encoder |
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