参数资料
型号: MC14042BD
厂商: MOTOROLA INC
元件分类: 锁存器
英文描述: 4000/14000/40000 SERIES, HIGH LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, PDSO16
封装: PLASTIC, SOIC-16
文件页数: 3/6页
文件大小: 199K
代理商: MC14042BD
MOTOROLA CMOS LOGIC DATA
MC14042B
158
SWITCHING CHARACTERISTICS* (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
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
tTLH,
tTHL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time, D to Q, Q
tPLH, tPHL = (1.7 ns/pF) CL + 135 ns
tPLH, tPHL = (0.66 ns/pF) CL + 57 ns
tPLH, tPHL = (0.5 ns/pF) CL + 35 ns
tPLH,
tPHL
5.0
10
15
220
90
60
440
180
120
no
Propagation Delay Time, Clock to Q, Q
tPLH, tPHL = (1.7 ns/pF) CL + 135 ns
tPLH, tPHL = (0.66 ns/pF) CL + 57 ns
tPLH, tPHL = (0.5 ns/pF) CL + 35 ns
tPLH,
tPHL
5.0
10
15
220
90
60
440
180
120
ns
Clock Pulse Width
tWH
5.0
10
15
300
100
80
150
50
40
ns
Clock Pulse Rise and Fall Time
tTLH,
tTHL
5.0
10
15
15
5.0
4.0
s
Hold Time
th
5.0
10
15
100
50
40
50
25
20
ns
Setup Time
tsu
5.0
10
15
50
30
25
0
ns
* 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.
Figure 1. AC and Power Dissipation Test Circuit and Timing Diagram
(Data to Output)
VDD
VSS
PULSE
GENERATOR 1
16
5
6
4
7
13
14
CLOCK
POLARITY
D0
D1
D2
D3
Q3
Q2
Q1
Q0
15
1
12
11
9
10
3
2
8
For Power Dissipation test, each output
is loaded with capacitance CL.
1
f
20 ns
DATA INPUT
Q OUTPUT
tPLH
tPHL
tTLH
tTHL
tTLH
tTHL
90%
50%
10%
50%
90%
10%
90%
10%
50%
tPHL
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