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參數(shù)資料
| 型號： | MC14585BD |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3-Channel Supervisor With Over-Current Detect For Switch-Mode Power Supplies 14-SOIC -40 to 85 |
| 中文描述： | 4000/14000/40000 SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 185K |
| 代理商： | MC14585BD |
MOTOROLA CMOS LOGIC DATA
3
MC14585B
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–On, Turn–Off Delay Time
tPLH, tPHL = (1.7 ns/pF) CL + 345 ns
tPLH, tPHL = (0.66 ns/pF) CL + 147 ns
tPLH, tPHL = (0.5 ns/pF) CL + 105 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.
tTLH,
tTHL
5.0
10
15
—
—
—
100
50
40
200
100
80
ns
tPLH,
tPHL
5.0
10
15
—
—
—
430
180
130
860
360
260
ns
Figure 1. Dynamic Power Dissipation
Signal Waveforms
Figure 2. Dynamic Signal Waveforms
20 ns
20 ns
2f
1
VDD
VSS
VDD
VSS
VOH
VOL
VOH
VOL
VOH
VOL
(A < B)out
(A > B)out
B3
A3
20 ns
20 ns
VDD
VSS
VOH
VOL
90%
50%
10%
tPLH
tPHL
tTLH
tTHL
90%
50%
10%
B0
(A = B)out
(A < B)out
Inputs (A>B) and (A=B) high, and inputs B3, A3, B2,
A2, B1, A1, A0, and (A<B) low.
Inputs (A>B) and (A=B) high, and inputs B2, A2, B1,
A1, B0, A0 and (A<B) low.
f in respect to a system clock.
This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However,
precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance
circuit. For proper operation, Vin and Vout should be constrained to the range VSS
≤
(Vin or Vout)
≤
VDD.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must
be left open.
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| MC1458CD | 3 Ch Supervisor with Over Current Detect for Switchmode Power Supplies 14-SOIC -40 to 85 |
| MC1458CD | 3 Ch Supervisor with Over Current Detect for Switchmode Power Supplies 14-SOIC -40 to 85 |
| MC1458CP | DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS |
| MC1458P1 | DUAL OPERATIONAL AMPLIFIERS |
| MC1458CP1 | DUAL OPERATIONAL AMPLIFIERS |
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