MC14558BCL 查看數據表（PDF） - Motorola => Freescale
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MC14558BCL Datasheet PDF : 7 Pages
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ÎÎÎÎSÎÎÎÎWIÎÎÎÎTCHÎÎÎÎINGÎÎÎÎCHÎÎÎÎARÎÎÎÎAChCaÎÎÎÎTrEacRtÎÎÎÎeISriTsÎÎÎÎtIiCcSÎÎÎÎ* (CÎÎÎÎL = 5ÎÎÎÎ0 pFÎÎÎÎ, TAÎÎÎÎ= 2ÎÎÎÎ5_CÎÎÎÎ;SsyemeÎÎÎÎbFoigluÎÎÎÎre 1ÎÎÎÎ) VÎÎÎÎDDÎÎÎÎÎÎÎÎÎÎÎÎMinÎÎÎÎÎÎÎÎÎÎÎÎTypÎÎÎÎÎÎÎÎÎÎÎÎMaxÎÎÎÎÎÎÎÎUÎÎÎÎnitÎÎÎÎ
Output Rise Time
tTLH = (3.0 ns/pF) CL + 30 ns
tTLH = (1.5 ns/pF) CL + 15 ns
tTLH = (1.1 ns/pF) CL + 10 ns
tTLH
ns
5.0
—
100
200
10
—
50
100
15
—
40
80
Output Fall Time
tTHL = (1.5 ns/pF) CL + 25 ns
tTHL = (0.75 ns/pF) CL + 12.5 ns
tTHL = (0.55 ns/pF) CL + 9.5 ns
tTHL
ns
5.0
—
100
200
10
—
50
100
15
—
40
80
Propagation Delay Time
tPLH = (1.7 ns/pF) CL + 495 ns
tPLH = (0.66 ns/pF) CL + 187 ns
tPLH = (0.5 ns/pF) CL + 120 ns
tPLH
ns
5.0
—
580
1160
10
—
220
440
15
—
145
230
Propagation Delay Time
tPHL = (1.7 ns/pF) CL + 695 ns
tPHL = (0.66 ns/pF) CL + 242 ns
tPHL = (0.5 ns/pF) CL + 160 ns
tPHL
ns
5.0
—
780
1560
10
—
275
550
15
185
370
* The formulae given are for the typical characteristics only.
Enable
Pin 3
1
RBI
Pin 5
1
Inputs
D
C
Pin 6 Pin 2
0
0
B
Pin 1
0
TRUTH TABLE
A
a
b
c
d
Pin 7 Pin 13 Pin 12 Pin 11 Pin 10
0
1
1
1
1
Outputs*
e
f
Pin 9 Pin 15
g
Pin 14
1
1
0
RBO
Pin 4
1
1
X
0
0
0
1
0
0
0
0
1
1
0
1
1
X
0
0
1
0
1
1
0
1
1
0
1
1
Display
1
X
0
0
1
1
1
1
1
1
0
0
1
1
1
X
0
1
0
0
0
1
1
0
0
1
1
1
1
X
0
1
0
1
1
0
1
1
0
1
1
1
1
X
0
1
1
0
0
0
1
1
1
1
1
1
1
X
0
1
1
1
1
1
1
0
0
0
0
1
1
X
1
0
0
0
1
1
1
1
1
1
1
1
1
X
1
0
0
1
1
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Blank
0
0
X
X
X
X
1
1
1
1
1
1
1
0
0
1
X
X
X
X
0
0
0
0
0
0
0
1
Blank
* All non–valid BCD input codes produce a blank display.
X = Don’t Care
20 ns
ANY INPUT
ANY OUTPUT
90%
10%
tPLH
50%
tTLH
20 ns
50%
tPHL
90%
10%
tTHL
Figure 1. Signal Waveforms
MOTOROLA CMOS LOGIC DATA
MC14558B
3
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