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參數(shù)資料
| 型號： | MC14534BDW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5 Cascaded BCD Counters |
| 中文描述： | 4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 20-BIT UP DECADE COUNTER, PDSO24 |
| 封裝： | PLASTIC, SOIC-24 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 225K |
| 代理商： | MC14534BDW |
MOTOROLA CMOS LOGIC DATA
MC14534B
6
SCANNER TIMING DIAGRAM
NOTE: If Mode B = 1, the first decade is inhibited and S1 will not go high, and the cycle will be
shortened to four stages.
DS5 is selected automatically when Scanner Reset goes high.
TEN
THOUSANDS
THOUSANDS
HUNDREDS
TENS
UNITS
SCANNER
CLOCK
SCANNER
RESET
DS1
DS2
DS3
DS4
DS5
ERROR DETECTION TIMING DIAGRAM
NOTE: Error detector looks for inverted pulse on Clock B. Whenever a positive edge at
Clock A is not accompanied by a negative pulse at Clock B (or vice–versa) within
a time period of the one–shots an error is counted. Three errors result in Error Out
to go to a “1”. If error detection is not needed, tie Clock B high or low and leave
Pins 1 and 22 unconnected.
CLOCK A
CLOCK B
RESET
ERROR
OUT
GOOD PULSE
ERROR
1
ERROR
2
ERROR
3
ERROR
4
GOOD PULSE
CLOCK SKEW RANGE
NOTES:
1. The skew is the time difference between the
low–to–high transition of CA to the high–to–
low transition of CB or vice–versa. Capacitors
C1 = C22 tied from pins 1 and 22 to VSS.
2. This graph is accurate for C1 = C22
≥
100 pF.
3. When the error detection circuitry in not used,
pins 1 and 22 are left open.
1000
500
300
100
50
30
10
5.0
3.0
1.0
3.0
5.0
7.0
9.0
VDD (Vdc)
11
13
15
17
SKEW IN THIS RANGE
RESULTS IN COUNTED
ERROR.
MAX
SKEW IN THIS RANGE
RESULTS IN NO ERROR
COUNTED.
TYP
MIN
SKEW IN THIS RANGE
MAY OR MAY NOT
RESULT IN COUNTED
ERROR.
A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC14536BBEBS | 制造商:Motorola Inc 功能描述: |
| MC14536BCP | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BCPG | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 3-18V 24 Flip-Flop RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BDW | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BDWG | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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