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參數(shù)資料
| 型號(hào)： | HD74LVC74 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual D-type Flip Flops with Preset and Clear |
| 中文描述： | 雙D型人字拖與預(yù)置和清除 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 48K |
| 代理商： | HD74LVC74 |
HD74LVC74
3
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Conditions
Supply voltage
V
CC
I
IK
V
I
I
OK
–0.5 to 6.0
V
Input diode current
–50
mA
V
I
= –0.5 V
Input voltage
–0.5 to 6.0
V
Output diode current
–50
mA
V
O
= –0.5 V
V
O
= V
CC
+0.5 V
50
mA
Output voltage
V
O
I
O
I
CC
or I
GND
Tstg
–0.5 to V
CC
+0.5 V
±
50
Output current
mA
V
CC
, GND current / pin
Storage temperature
Note:
The absolute maximum ratings are values which must not individually be exceeded, and furthermore,
no two of which may be realized at the same time.
100
mA
–65 to +150
°
C
Recommended Operating Conditions
Item
Symbol
Ratings
Unit
Conditions
Supply voltage
V
CC
1.5 to 5.5
V
Data retention
2.0 to 5.5
V
At operation
Input / output voltage
V
I
V
O
Ta
0 to 5.5
V
PR, CLR, CK, D
Q,
Q
0 to V
CC
–40 to 85
V
Operating temperature
°
C
Output current
I
OH
–12
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
–24
*2
mA
I
OL
12
mA
24
*2
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
10
ns/V
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