
MOTOROLA CMOS LOGIC DATA
MC14514B MC14515B
6–276
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
SWITCHING CHARACTERISTICS*
(CL = 50 pF, TA = 25
_
C)
All Types
Characteristic
Symbol
VDD
Min
Typ #
Max
Unit
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
5.0
10
15
—
—
—
180
90
65
360
180
130
ns
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
5.0
10
15
—
—
—
100
50
40
200
100
80
ns
Propagation Delay Time; Data, Strobe to S
tPLH, tPHL = (1.7 ns/pF) CL + 465 ns
tPLH, tPHL = (0.86 ns/pF) CL + 192 ns
tPLH, tPHL = (0.5 ns/pF) CL + 125 ns
tPLH,
tPHL
5.0
10
15
—
—
—
550
225
150
1100
450
300
ns
Inhibit Propagation Delay Times
tPLH, tPHL = (1.7 ns/pF) CL + 315 ns
tPLH, tPHL = (0.66 ns/pF) CL + 117 ns
tPLH, tPHL = (0.5 ns/pF) CL + 75 ns
tPLH,
tPHL
5.0
10
15
—
—
—
400
150
100
800
300
200
ns
Setup Time
Data to Strobe
tsu
5.0
10
15
250
100
75
125
50
38
—
—
—
ns
Hold Time
Strobe to Data
th
5.0
10
15
– 20
0
10
– 100
– 40
– 30
—
—
—
ns
Strobe Pulse Width
tWH
5.0
10
15
350
100
75
175
50
38
—
—
—
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. Drain Characteristics Test Circuit
EXTERNAL
POWER SUPPLY
VSS
STROBE
INHIBIT
D1
D2
D3
D4
VDD
VDS
ID
For MC14515B
1. For P–channel: Inhibit = VDD
2. For N–channel: Inhibit = VSS
2.
and D1–D4 constitute binary
2.
code for “output under test.”
For MC14514B
1. For P–channel: Inhibit = VSS
1.
and D1–D4 constitute
1.
binary code for “output
1.
under test.”
2. For N–channel: Inhibit = VDD
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
Содержание CMOS Logic
Страница 1: ......
Страница 5: ...iv MOTOROLA CMOS LOGIC DATA ...
Страница 6: ...Master Index 1 ...
Страница 12: ...Product Selection Guide 2 ...
Страница 17: ...The Better Program 3 ...
Страница 20: ...B and UB Series Family Data 4 ...
Страница 25: ...CMOS Handling and Design Guidelines 5 ...
Страница 32: ...CMOS Handling and Design Guidelines 5 ...
Страница 39: ...Data Sheets 6 ...
Страница 69: ...MOTOROLA CMOS LOGIC DATA 6 31 MC14008B Figure 5 Logic Diagram Cin A1 B1 A2 B2 A3 B3 A4 B4 S1 S2 S3 S4 Cout ...
Страница 234: ...MOTOROLA CMOS LOGIC DATA MC14174B 6 196 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 238: ...MOTOROLA CMOS LOGIC DATA MC14175B 6 200 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 555: ...CMOS Reliability 7 ...
Страница 561: ...Equivalent Gate Count 8 ...
Страница 563: ...Packaging Information Including Surface Mounts 9 ...
Страница 571: ......