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參數(shù)資料
| 型號： | HD74LVC2244AFPEL-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)： | 6/10頁 |
| 文件大?。?/td> | 112K |
| 代理商： | HD74LVC2244AFPEL-E |
HD74LVC2244A
Rev.3.00 Aug. 20, 2004 page 6 of 9
Test Circuit
(V
CC
= 1.8±0.15 V, V
CC
= 2.5±0.2 V)
Note: 1. C includes probe and jig capacitance.
t / t
t / t
t / t
PHL
HZ
LZ
2
×
V
CC
2
×
V
CC
V (V)
1.8±0.15
2.5±0.2
Symbol
S1
OPEN
GND
R1
1 k
500
R2
950
450
V
CC
OPEN
C =
30 pF
1
G
, 2
G
1Y1 to 2Y4
1A1 to 2A4
Output
Input
S
Pulse generator
Z
out
= 50
R1
R2
50 Scope
GND
V
CC
S1
(V
CC
= 2.7 V, V
CC
= 3.3±0.3 V, V
CC
= 5.0±0.5 V)
V
CC
OPEN
See
under table
GND
C =
50 pF
1
G
, 2
G
1Y1 to 2Y4
1A1 to 2A4
Output
*1
Input
S
Pulse generator
Z
out
= 50
500
450
50 Scope
6 V
V
CC
S1
Vcc=2.7V,
3.3±0.3V
OPEN
GND
Vcc=5.0±0.5V
OPEN
GND
t / t
t / t
t / t
PHL
HZ
LZ
2
×
V
CC
Symbol
S1
Note: 1. C includes probe and jig capacitance.
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