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參數資料
| 型號： | MC74HC245ADW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Noninverting Bus Transceiver |
| 中文描述： | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁數： | 3/6頁 |
| 文件大小： | 200K |
| 代理商： | MC74HC245ADW |
MC54/74HC245A
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA
tPHL
(Figures 1 and 3)
4.5
15
22
6.0
19
19
28
tPZL,
Maximum Propagation Delay, Output Enable to A or B
2.0
110
140
24
165
ns
tTHL
(Figures 1 and 3)
4.5
12
18
15
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
Speed CMOS Data Book (DL129/D).
CPD
Power Dissipation Capacitance (Per Transceiver Channel)*
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
Typical @ 25
°
C, VCC = 5.0 V
40
pF
SWITCHING WAVEFORMS
VCC
GND
tf
tr
INPUT
A OR B
OUTPUT
B OR A
10%
90%
10%
90%
tTLH
tPLH
tPHL
tTHL
Figure 1.
OUTPUT
ENABLE
A OR B
A OR B
50%
50%
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
VCC
GND
50%
Figure 2.
DIRECTION
TEST CIRCUITS
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3.
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4.
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74HC245ADWG | 功能描述:總線收發器 2-6V Octal 3-State Non-Inverting Bus RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| MC74HC245ADWG | 制造商:ON Semiconductor 功能描述:Gate / Inverter Logic IC |
| MC74HC245ADWR2 | 功能描述:總線收發器 2-6V Octal 3-State RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| MC74HC245ADWR2G | 功能描述:總線收發器 2-6V Octal 3-State Non-Inverting Bus RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| MC74HC245ADWR2G-CUT TAPE | 制造商:ON 功能描述:MC74HC245A Series 2 to 6 V Octal 3-St Non-Inverting Bus/Transceiver - SOIC-20 |
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