參數(shù)資料
型號: MC14081BFR1
廠商: ON SEMICONDUCTOR
元件分類: 門電路
英文描述: 4000/14000/40000 SERIES, QUAD 2-INPUT AND GATE, PDSO14
封裝: EIAJ, PLASTIC, SOIC-14
文件頁數(shù): 16/21頁
文件大?。?/td> 255K
代理商: MC14081BFR1
MC14001B Series
http://onsemi.com
4
B–SERIES GATE SWITCHING TIMES
SWITCHING CHARACTERISTICS (6.) (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
Vdc
Min
Typ (7.)
Max
Unit
Output Rise Time, All B–Series Gates
tTLH = (1.35 ns/pF) CL + 33 ns
tTLH = (0.60 ns/pF) CL + 20 ns
tTLH = (0.40 ns/PF) CL + 20 ns
tTLH
5.0
10
15
100
50
40
200
100
80
ns
Output Fall Time, All B–Series Gates
tTHL = (1.35 ns/pF) CL + 33 ns
tTHL = (0.60 ns/pF) CL + 20 ns
tTHL = (0.40 ns/pF) CL + 20 ns
tTHL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time
MC14001B, MC14011B only
tPLH, tPHL = (0.90 ns/pF) CL + 80 ns
tPLH, tPHL = (0.36 ns/pF) CL + 32 ns
tPLH, tPHL = (0.26 ns/pF) CL + 27 ns
All Other 2, 3, and 4 Input Gates
tPLH, tPHL = (0.90 ns/pF) CL + 115 ns
tPLH, tPHL = (0.36 ns/pF) CL + 47 ns
tPLH, tPHL = (0.26 ns/pF) CL + 37 ns
8–Input Gates (MC14068B, MC14078B)
tPLH, tPHL = (0.90 ns/pF) CL + 155 ns
tPLH, tPHL = (0.36 ns/pF) CL + 62 ns
tPLH, tPHL = (0.26 ns/pF) CL + 47 ns
tPLH, tPHL
5.0
10
15
5.0
10
15
5.0
10
15
125
50
40
160
65
50
200
80
60
250
100
80
300
130
100
350
150
110
ns
6. The formulas given are for the typical characteristics only at 25
_C.
7. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
VDD
14
CL
VSS
7
PULSE
GENERATOR
INPUT
OUTPUT
90%
50%
10%
50%
90%
20 ns
tPHL
tPLH
tTLH
tTHL
VOL
VOH
0 V
VDD
INPUT
OUTPUT
INVERTING
*All unused inputs of AND, NAND gates must be connected to VDD.
All unused inputs of OR, NOR gates must be connected to VSS.
90%
50%
10%
VOL
VOH
OUTPUT
NON-INVERTING
tTHL
tTLH
tPLH
tPHL
*
Figure 1. Switching Time Test Circuit and Waveforms
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