MC14194B Просмотр технического описания (PDF) - Motorola => Freescale
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MC14194B Datasheet PDF : 6 Pages
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TRUTH TABLE
Operating
Mode
Inputs
(Reset = 1)
Outputs
(@ tn+1)
S1
S0 DSR DSL DP0–3 Q0
Q1
Q2
Q3
Hold
0
0
X
X
X
Q0
Q1
Q2
Q3
Shift Left
1
0
X
0
X
Q1
Q2
Q3
0
1
0
X
1
X
Q1
Q2
Q3
1
Shift Right
0
1
0
X
X
0
Q0
Q1
Q2
0
1
1
X
X
1
Q0
Q1
Q2
Parallel
1
1
X
X
0
0
0
1
1
X
X
1
1
1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ X = Don’t Care
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tn+1 = State after the next positive–going transition of the clock.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SWITCHING CHARACTERISTICS* (CL = 50 pF, TA = 25_C)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
VDD
Symbol
Vdc
Min
Output Rise and Fall Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (1.35 ns/pF) CL + 32 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (0.6 ns/pF) CL + 20 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (0.4 ns/pF) CL + 20 ns
Propagation Delay Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock to Q
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH, tPHL = (0.9 ns/pF) CL + 230 ns
tPLH, tPHL = (0.36 ns/pF) CL + 92 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH, tPHL = (0.26 ns/pF) CL + 72 ns
tTLH, tTHL
5.0
—
10
—
15
—
tPLH,tPHL
5.0
—
10
—
15
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset to Q
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.9 ns/pF) CL + 305 ns
tPHL = (0.36 ns/pF) CL + 122 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.26 ns/pF) CL + 97 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Pulse Width
tPHL
tWH
5.0
—
10
—
15
—
5.0
280
10
110
15
85
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset Pulse Width
tWH
5.0
180
10
70
15
50
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Pulse Frequency
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (Shift Right or Left Mode)
fcl
5.0
—
10
—
15
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Pulse Rise and Fall Time
tTLH, tTHL
5.0
—
10
—
15
—
Setup Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Data to Clock
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Mode Control (S) to Clock
tsu
5.0
10
10
20
15
40
5.0
200
10
75
15
55
Hold Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Data to Clock
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Mode Control (S) to Clock
th
5.0
180
10
50
15
35
5.0
0
10
0
15
0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset Removal Time
trem
5.0
300
10
110
15
80
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ * The formulas given are for the typical characteristics only at 25_C.
0
0
1
1
Typ #
100
50
40
275
110
85
350
140
110
140
55
40
90
35
26
3.6
9.0
12
—
—
—
– 8.0
0
9.0
100
36
27
90
25
10
– 40
– 27
– 20
150
55
40
Max
Unit
ns
200
100
80
ns
550
220
170
ns
700
280
220
—
ns
—
—
—
ns
—
—
1.8
MHz
4.5
6.0
15
µs
5
4
ns
—
—
—
—
ns
—
—
ns
—
—
—
—
ns
—
—
—
ns
—
—
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
MC14194B
286
MOTOROLA CMOS LOGIC DATA
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