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參數(shù)資料
| 型號： | HD74LVC244AFPEL-E |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | SOP-20 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 189K |
| 代理商： | HD74LVC244AFPEL-E |
HD74LVC244A
Rev.4.00 Jul. 27, 2004 page 3 of 6
Recommended Operating Conditions
Item
Supply voltage
Symbol
V
CC
Ratings
1.5 to 5.5
2.0 to 5.5
0 to 5.5
0 to V
CC
0 to 5.5
–40 to 85
–12
–24
*2
12
24
*2
10
Unit
V
Conditions
Data retention
At operation
G
, A
Output "H" or "L"
Output "Z" or V
CC
:OFF
V
I
V
O
V
V
Input / output voltage
Operating temperature
Output current
Ta
I
OH
°C
mA
V
CC
= 2.7 V
V
CC
= 3.0 V to 5.5 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 5.5 V
I
OL
mA
Input rise / fall time
*1
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
2. Duty cycle
≤
50%
t
r
, t
f
ns/V
Electrical Characteristics
Ta = –40 to 85°C
Min
2.0
V
CC
×
0.7
—
—
V
CC
–0.2
2.2
2.4
2.2
3.8
—
—
—
—
—
—
Item
Input voltage
Symbol
V
IH
V
CC
(V)
2.7 to 3.6
4.5 to 5.5
2.7 to 3.6
4.5 to 5.5
2.7 to 5.5
2.7
3.0
3.0
4.5
2.7 to 5.5
2.7
3.0
4.5
0 to 5.5
2.7 to 5.5
Max
—
—
0.8
V
CC
×
0.3
—
—
—
—
—
0.2
0.4
0.55
0.55
±5.0
±5.0
Unit
V
Test Conditions
V
IL
V
I
OH
= –100 μA
I
OH
= –12 mA
V
OH
V
I
OH
= –24 mA
I
OL
= 100 μA
I
OL
= 12 mA
I
OL
= 24 mA
Output voltage
V
OL
V
Input current
Off state output current
I
IN
I
OZ
μA
μA
V
IN
= 5.5 V or GND
V
IN
= V
CC
, GND,
V
OUT
= 5.5 V or GND
V
IN
/ V
OUT
= 5.5 V
V
IN
/ V
OUT
= 3.6 to 5.5 V
V
IN
= V
CC
or GND
V
IN
= one input at (V
CC
–0.6)V,
other inputs at V
CC
or GND
Output leak current
Quiescent supply current
I
OFF
I
CC
0
2.7 to 3.6
2.7 to 5.5
3.0 to 3.6
—
—
—
—
20
±10
10
500
μA
μA
I
CC
μA
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