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參數資料
| 型號： | MC74HC244AN |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| 中文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數： | 3/7頁 |
| 文件大小： | 258K |
| 代理商： | MC74HC244AN |
MC54/74HC244A
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA
Vin = VIL or VIH
Leakage Current
Speed CMOS Data Book (DL129/D).
Symbol
Parameter
V
25 C
Unit
Maximum Propagation Delay, A to YA or B to YB
2.0
96
115
85 C
125 C
135
ns
tPHZ
(Figures 2 and 4)
4.5
22
33
6.0
19
28
28
tTLH,
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
2.0
4.5
60
12
24
90
18
ns
75
High–Impedance State)
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
CPD
Power Dissipation Capacitance (Per Buffer)*
* 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
34
pF
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
VCC
GND
tf
tr
DATA INPUT
A OR B
OUTPUT
YA OR YB
10%
90%
10%
90%
tTLH
tPLH
tPHL
tTHL
ENABLE
A OR B
OUTPUT Y
OUTPUT Y
50%
50%
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
相關PDF資料 |
PDF描述 |
|---|---|
| MC74HC244ASD | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| MC74HC245ADW | Octal 3-State Noninverting Bus Transceiver |
| MC74HC245AN | Octal 3-State Noninverting Bus Transceiver |
| MC74HC251 | 8-Input Data Selector/Multiplexer with 3-State Outputs |
| MC74HC251D | 8-Input Data Selector/Multiplexer with 3-State Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74HC244ANG | 功能描述:緩沖器和線路驅動器 2-6V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HC244B1 | 制造商:STMicroelectronics 功能描述: |
| MC74HC244N | 制造商:Panasonic Industrial Company 功能描述:IC |
| MC74HC245ADT | 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 |
| MC74HC245ADTEL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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