參數(shù)資料
型號： HC245
廠商： System Logic Semiconductor Co., Ltd.
英文描述： Bipolar Transistor; Transistor Polarity:N Channel; Power Dissipation:0.2W; DC Current Gain Min (hfe):20; Collector Current:0.5A; Power (Ptot):200mW
中文描述： 八路三態(tài)同相總線收發(fā)器
文件頁數(shù)： 4/5頁
文件大?。?/td> 49K
代理商： HC245
SL74HC245
S ystem Logic
Semiconductor
SLS
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
V
CC
Guaranteed Limit
Symbol
Parameter
V
25
°
C to
-55
°
C
≤
85
°
C
≤
125
°
C
Unit
t
PLH
, t
PHL
Maximum Propagation Delay, A to B or B
to A (Figures 1 and 3)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
ns
t
PLZ
, t
PHZ
Maximum Propagation Delay , Direction or Output
Enable to A or B (Figures 2 and 4)
2.0
4.5
6.0
110
22
19
140
28
24
165
33
28
ns
t
PZL
, t
PZH
Maximum Propagation Delay , Direction or Output
Enable to A or B (Figures 2 and 4)
2.0
4.5
6.0
110
22
19
140
28
24
165
33
28
ns
t
TLH
, t
THL
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
2.0
4.5
6.0
60
12
10
75
15
13
90
18
15
ns
C
IN
Maximum Input Capacitance (Pin 1 or Pin 19)
-
10
10
10
pF
C
OUT
Maximum Three-State I/O Capacitance
(I/O in High-Impedance State)
-
15
15
15
pF
Power Dissipation Capacitance (Per Transceiver
Channel)
Typical @25
°
C,V
CC
=5.0 V
C
PD
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
V
CC
2
f+I
CC
V
CC
40
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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HC2-4R7 制造商:COOPER BUSSMANN 功能描述:Ind High Current Power Metal Foil 4.7uH 20% 300KHz 17A Bulk
HC2-4R7-R 功能描述:固定電感器 4.7uH 21.25A 0.0046ohms RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
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HC2-4R7TR 制造商:COOPER BUSSMANN 功能描述:Ind High Current Power Metal Foil 4.7uH 20% 300KHz 17A T/R
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