參數(shù)資料
型號(hào): CD4047BDMS
廠商: INTERSIL CORP
元件分類: 諧振器
英文描述: 4000/14000/40000 SERIES, MONOSTABLE MULTIVIBRATOR, CDIP14
封裝: DIP-14
文件頁數(shù): 13/15頁
文件大?。?/td> 127K
代理商: CD4047BDMS
7-903
CD4047BMS
TABLE 9. FUNCTIONAL TERMINAL CONNECTIONS
In all cases External resistor between terminals 2 and 3 (Note 1)
External capacitor between terminals 1 and 3 (Note 1)
FUNCTION
TERMINAL CONNECTIONS
OUTPUT PULSE
FROM
OUTPUT PERIOD OR PULSE
WIDTH
TO VDD
TO VSS
INPUT TO
ASTABLE MULTIVIBRATOR
Free Running
4, 5, 6, 14
7, 8, 9, 12
-
10, 11, 13
TA (10, 11) = 4.40 RC
True Gating
4, 6, 14
7, 8, 9, 12
5
10, 11, 13
TA (13) = 2.20 RC (Note 2)
Complement Gating
6, 14
5, 7, 8, 9, 12
4
10, 11, 13
MONOSTABLE MULTIVIBRATOR
Positive Edge Trigger
4, 14
5, 6, 7, 9, 12
8
10, 11
tM (10, 11) = 2.48 RC
Negative Edge Trigger
4, 8, 14
5, 7, 9, 12
6
10, 11
Retriggerable
4, 14
5, 6, 7, 9
8, 12
10, 11
External Countdown (Note 3)
14
5, 6, 7, 8, 9, 12
-
10, 11
NOTES:
1. See text.
2. First positive 1/2 cycle pulse width = 2.48 RC. See note follow Monostable Mode Design Information.
3. Input Pulse to Reset of External Counting Chip External Counting Chip Output to Terminal 4.
Logic Diagrams
FIGURE 1. CD4047BMS LOGIC BLOCK DIAGRAM
Q
10
11
OSCILLATOR OUT
LOW POWER
ASTABLE
MULTIVIBRATOR
FREQUENCY
DIVIDER (
÷2)
ASTABLE
GATE
CONTROL
MONOSTABLE
CONTROL
RETRIGGER
CONTROL
13
2
1
3
R-TIMING
C-TIMING
RC
COMMON
R
C
-TRIGGER
ASTABLE
+TRIGGER
RETRIGGER
EXTERNAL
RESET
ASTABLE
12
9
8
6
4
5
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