参数资料
型号: MC14541BFELG
厂商: ON Semiconductor
文件页数: 5/10页
文件大小: 0K
描述: IC OSC PROG TIMER 3MHZ 14SOEIAJ
标准包装: 2,000
类型: 可编程计时器
频率: 3MHz
电源电压: 3 V ~ 18 V
电流 - 电源: 15µA
工作温度: -55°C ~ 125°C
封装/外壳: 14-SOIC(0.209",5.30mm 宽)
包装: 带卷 (TR)
供应商设备封装: SOEIAJ-14
安装类型: 表面贴装
MC14541B
http://onsemi.com
4
SWITCHING CHARACTERISTICS (Note 5) (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
Min
Typ
(Note 6)
Max
Unit
Output Rise and Fall Time
tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
tTLH,
tTHL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay, Clock to Q (28 Output)
tPLH, tPHL = (1.7 ns/pF) CL + 3415 ns
tPLH, tPHL = (0.66 ns/pF) CL + 1217 ns
tPLH, tPHL = (0.5 ns/pF) CL + 875 ns
tPLH
tPHL
5.0
10
15
3.5
1.25
0.9
10.5
3.8
2.9
ms
Propagation Delay, Clock to Q (216 Output)
tPHL, tPLH = (1.7 ns/pF) CL + 5915 ns
tPHL, tPLH = (0.66 ns/pF) CL + 3467 ns
tPHL, tPLH = (0.5 ns/pF) CL + 2475 ns
tPHL
tPLH
5.0
10
15
6.0
3.5
2.5
18
10
7.5
ms
Clock Pulse Width
tWH(cl)
5.0
10
15
900
300
225
300
100
85
ns
Clock Pulse Frequency (50% Duty Cycle)
fcl
5.0
10
15
1.5
4.0
6.0
0.75
2.0
3.0
MHz
MR Pulse Width
tWH(R)
5.0
10
15
900
300
225
300
100
85
ns
Master Reset Removal Time
trem
5.0
10
15
420
200
210
100
ns
5. The formulas given are for the typical characteristics only at 25_C.
6. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
Figure 1. Power Dissipation Test Circuit
and Waveform
Figure 2. Switching Time Test Circuit
and Waveforms
PULSE
GENERATOR
VDD
CL
Q
RS
AR
Q/Q SELECT
MODE
A
B
MR
VSS
20 ns
90%
50%
10%
50%
DUTY CYCLE
(Rtc AND Ctc OUTPUTS ARE LEFT OPEN)
PULSE
GENERATOR
VDD
RS
AR
Q/Q SELECT
MODE
A
B
MR
VSS
CL
Q
20 ns
90%
50%
20 ns
10%
RS
Q
tPLH
50%
90%
50%
10%
50%
tTLH
tTHL
tPHL
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