參數(shù)資料
型號(hào): SN74BCT245DW
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, PLASTIC, SOIC-20
文件頁(yè)數(shù): 17/20頁(yè)
文件大?。?/td> 767K
代理商: SN74BCT245DW
SN54BCT245, SN74BCT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS013H – SEPTEMBER 1998 – REVISED MAY 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figures 2 through 5 show the typical power dissipation for an SN74BCT245 over variations in outputs switching,
output frequency, and capacitive load.
VCC = 5.5 V
TA = 70°C
RL = 500
Air Flow = 0
CL = 15 pF
VCC = 5.5 V
TA = 70°C
RL = 500
Air Flow = 0
CL = 100 pF
VCC = 5.5 V
TA = 70°C
RL = 500
Air Flow = 0
CL = 150 pF
VCC = 5.5 V
TA = 70°C
RL = 500
Air Flow = 0
CL = 50 pF
f – Frequency – MHz
10
20
30
40
750
600
450
300
150
900
Four Switching
10
20
30
40
1250
1000
750
500
250
1500
1250
1000
750
500
250
1500
10
20
30
40
10
20
30
40
Four Switching
One Switching
Four Switching
Eight Switching
1000
800
600
400
200
1200
1050
0
050
1400
0
50
0
POWER DISSIPATION
vs
FREQUENCY
POWER DISSIPATION
vs
FREQUENCY
POWER DISSIPATION
vs
FREQUENCY
POWER DISSIPATION
vs
FREQUENCY
0
1750
050
1750
0
050
P
Power
Dissipation
mW
D
One Switching
Figure 2
Figure 3
Figure 4
Figure 5
P
Power
Dissipation
mW
D
P
Power
Dissipation
mW
D
P
Power
Dissipation
mW
D
Eight Switching
Four Switching
One Switching
Eight Switching
The dashed lines are for the DB package only.
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SN74BCT245DWRE4 功能描述:總線收發(fā)器 Octal Bus Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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