參數(shù)資料
型號: MC14528BCP
廠商: MOTOROLA INC
元件分類: 諧振器
英文描述: Inverting Fast Synchronous Buck MOSFET Drivers and Enable 8-SOIC
中文描述: 4000/14000/40000 SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 3/8頁
文件大?。?/td> 244K
代理商: MC14528BCP
MOTOROLA CMOS LOGIC DATA
3
MC14528B
SWITCHING CHARACTERISTICS**
(CL = 50 pF, TA = 25 C)
Characteristic
Symbol
CX
pF
RX
k
VDD
Vdc
Min
Typ #
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
Turn–Off, Turn–On Delay Time — A or B to Q or Q
tPLH, tPHL = (1.7 ns/pF) CL + 240 ns
tPLH, tPHL = (0.66 ns/pF) CL + 87 ns
tPLH, tPHL = (0.5 ns/pF) CL + 65 ns
Turn–Off, Turn–On Delay Time — A or B to Q or Q
tPLH, tPHL = (1.7 ns/pF) CL + 620 ns
tPLH, tPHL = (0.66 ns/pF) CL + 257 ns
tPLH, tPHL = (0.5 ns/pF) CL + 185 ns
Input Pulse Width — A or B
tTLH,
tTHL
5.0
10
15
100
50
40
200
100
80
ns
tPLH,
tPHL
15
5.0
5.0
10
15
325
120
90
650
240
180
ns
tPLH,
tPHL
1000
10
5.0
10
15
705
290
210
ns
tWH
15
5.0
5.0
10
15
150
75
55
70
30
30
ns
tWL
1000
10
5.0
10
15
70
30
30
ns
Output Pulse Width — Q or Q
(For CX < 0.01
μ
F use graph for
appropriate VDD level.)
Output Pulse Width — Q or Q
(For CX > 0.01
μ
F use formula:
tW = 0.2 RX CX Ln [VDD – VSS])
Pulse Width Match between Circuits in the same
package
tW
15
5.0
5.0
10
15
550
350
300
ns
tW
10,000
10
5.0
10
15
15
10
15
30
50
55
45
90
95
μ
s
t1 – t2
10,000
10
5.0
10
15
6.0
8.0
8.0
25
35
35
%
Reset Propagation Delay — Reset to Q or Q
tPLH,
tPHL
15
5.0
5.0
10
15
325
90
60
600
225
170
ns
1000
10
5.0
10
15
1000
300
250
ns
Retrigger Time
trr
15
5.0
5.0
10
15
0
0
0
ns
1000
10
5.0
10
15
0
0
0
ns
External Timing Resistance
RX
CX
5.0
1000
k
μ
F
External Timing Capacitance
No Limits*
RX is in Ohms, CX is in farads, VDD and VSS in volts, PWout in seconds.
*If CX > 15
μ
F, Use Discharge Protection Diode DX, per Fig. 9.
**The formulas given are for the typical characteristics only at 25 C.
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
FUNCTION TABLE
Inputs
A
Outputs
Reset
B
Q
Q
H
H
H
L
H
H
L
Not Triggered
Not Triggered
H
H
H
L, H,
H
Not Triggered
Not Triggered
L
L, H,
L
X
X
X
X
L
Not Triggered
H
相關(guān)PDF資料
PDF描述
MC14528BD Non-inverting Fast Synchronous Buck MOSFET Drivers with TTL Inputs and Enable 14-SOIC -40 to 125
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