參數(shù)資料
型號(hào): MC14538B
廠商: ON SEMICONDUCTOR
英文描述: UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
中文描述: 雙精密Retiggerable /復(fù)式單穩(wěn)態(tài)觸發(fā)器
文件頁(yè)數(shù): 3/10頁(yè)
文件大小: 272K
代理商: MC14538B
MOTOROLA CMOS LOGIC DATA
3
MC14538B
Characteristic
Symbol
Vdc
Unit
VDD
Min
Typ #
Max
Output Rise Time
tTLH = (1.35 ns/pF) CL + 33 ns
tTLH = (0.60 ns/pF) CL + 20 ns
tTLH = (0.40 ns/pF) CL + 20 ns
Output Fall Time
tTHL = (1.35 ns/pF) CL + 33 ns
tTHL = (0.60 ns/pF) CL + 20 ns
tTHL = (0.40 ns/pF) CL + 20 ns
Propagation Delay Time
A or B to Q or Q
tPLH, tPHL = (0.90 ns/pF) CL + 255 ns
tPLH, tPHL = (0.36 ns/pF) CL + 132 ns
tPLH, tPHL = (0.26 ns/pF) CL + 87 ns
tTLH
5.0
10
15
100
50
40
200
100
80
ns
tTHL
5.0
10
15
100
50
40
200
100
80
ns
tPLH,
tPHL
5.0
10
15
300
150
100
600
300
220
ns
Reset to Q or Q
tPLH, tPHL = (0.90 ns/pF) CL + 205 ns
tPLH, tPHL = (0.36 ns/pF) CL + 107 ns
tPLH, tPHL = (0.26 ns/pF) CL + 82 ns
Input Rise and Fall Times
Reset
5.0
10
15
250
125
95
500
250
190
ns
tr, tf
5
10
15
15
5
4
μ
s
B Input
5
10
15
300
1.2
0.4
1.0
0.1
0.05
ms
A Input
5
10
15
No Limit
Input Pulse Width
A, B, or Reset
tWH,
tWL
5.0
10
15
170
90
80
85
45
40
ns
Retrigger Time
trr
5.0
10
15
0
0
0
ns
Output Pulse Width — Q or Q
Refer to Figures 8 and 9
CX = 0.002
μ
F, RX = 100 k
T
5.0
10
15
198
200
202
210
212
214
230
232
234
μ
s
CX = 0.1
μ
F, RX = 100 k
5.0
10
15
9.3
9.4
9.5
9.86
10
10.14
10.5
10.6
10.7
ms
CX = 10
μ
F, RX = 100 k
5.0
10
15
0.91
0.92
0.93
0.965
0.98
0.99
1.03
1.04
1.06
s
Pulse Width Match between circuits in
the same package.
CX = 0.1
μ
F, RX = 100 k
* The formulas given are for the typical characteristics only at 25 C.
100
[(T1 – T2)/T1]
5.0
10
15
±
1.0
±
1.0
±
1.0
±
5.0
±
5.0
±
5.0
%
External Timing Capacitance
CX
0
No
Limit
μ
F
* The maximum usable resistance RX is a function of the leakage of the capacitor CX, leakage of the MC14538B, and leakage due to board layout
and surface resistance. Susceptibility to externally induced noise signals may occur for RX > 1 M
..
If CX > 15
μ
F, use discharge protection diode per Fig. 11.
相關(guān)PDF資料
PDF描述
MC14538BCP UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
MC14538BD UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
MC14538BDR2 UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
MC14538BDT UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
MC14538BDTR2 UltraLow-Supply Current/Supply-Voltage Supervisory Circuit 6-SOT-23 -40 to 85
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MC14538BD 功能描述:單穩(wěn)態(tài)多諧振蕩器 3-18V Dual Precision RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 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
MC14538BDG 功能描述:單穩(wěn)態(tài)多諧振蕩器 3-18V Dual Precision MonoStable RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 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