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參數(shù)資料
| 型號： | HD74AC |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | HD74AC Series Common Information |
| 中文描述： | HD74AC系列通用信息 |
| 文件頁數(shù)： | 20/52頁 |
| 文件大?。?/td> | 220K |
| 代理商： | HD74AC |
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Definition of Specifications
19
2. Ratings and Specifications
Table 1 Absolute Maximum Ratings
*1
Parameter
Symbol
Limit
Unit
Condition
Supply voltage
V
CC
I
IK
–0.5 to 7.0
V
DC input Diode current
or DC input voltage
–20
mA
V
I
= –0.5
20
mA
V
I
= V
CC
+0.5
V
I
I
OK
–0.5 to V
CC
+0.5
–50
V
DC output Diode
current or DC output
voltage
mA
V
O
= –0.5
50
mA
V
O
= V
CC
+0.5
V
O
I
O
–0.5 to V
CC
+0.5
±
50
V
DC output source or
sink current
mA
DC V
or ground
current per output pin
I
CC
or I
GND
±
50
mA
Storage temperature
Note: 1. Absolute maximum ratings are those values beyond which damage to the device may occur.
Obviously the databook specifications should be met, without exception to ensure that the
system design is reliable over its power supply, temperature, output/input loading variables.
Hitachi does not recommend operation of FACT circuits outside databook specifications.
T
STG
–65 to 150
°
C
Table 2 Recommended Operating Conditions
Parameter
Symbol
Limit
Unit
Condition
Supply Voltage (unless
otherwise specified)
AC devices
V
CC
2.0 to 6.0
V
ACT devices
4.5 to 5.5
Input voltage
V
I
V
O
T
A
tr, tf
0 to V
CC
0 to V
CC
–40 to +85
V
Output voltage
V
Operating temperature
°
C
Input rise and Fall time*
1
(typical)
150
ns/V
V
CC
@ 3.0V
V
CC
@ 4.5V
V
CC
@ 5.5V
V
CC
@ 4.5V
V
CC
@ 5.5V
(except Schmitt inputs) ’AC devices V
IN
from
30% to 70% of V
CC
Input rise and Fall time*
1
(typical)
40
ns/V
25
ns/V
tr, tf
10
ns/V
(except schmitt inputs) ’ACT devices V
IN
from
0.8 to 2.0 V, V
meas
from 0.8 to 2.0V
Note: 1. See individual data sheets for those devices which differ from the typical input rise and fall times
noted here.
8
ns/V
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