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參數(shù)資料
| 型號： | 74LCX162541TTR |
| 廠商： | 意法半導體 |
| 英文描述： | Low voltage CMOS 16-bit bus buffer with 5V tolerant inputs and outputs |
| 中文描述： | 低電壓CMOS 16位5V容限輸入和輸出總線緩沖器 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 230K |
| 代理商： | 74LCX162541TTR |
Electrical characteristics
74LCX162541
8/15
Table 7. AC electrical characteristics
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
R
L
(
)
t
s
=
t
r
(ns)
-40 to 85 °C
Min
Max
t
PLH
t
PHL
Propagation
delay time
2.7
50
500
2.5
1.5
5.6
ns
3.0 to 3.6
1.5
4.4
t
PZL
t
PZH
Output enable
time
2.7
50
500
2.5
1.5
6.3
ns
3.0 to 3.6
1.5
5.9
t
PLZ
t
PHZ
Output disable
time
2.7
50
500
2.5
1.5
6.3
ns
3.0 to 3.6
1.5
5.9
t
OSLH
t
OSHL
Output to output
skew time
(1)
(2)
1.
Skew is defined as the absolute value of the difference between the actual propagation delay for any two
outputs of the same device switching in the same direction, either HIGH or LOW (t
OSLH
= | t
PLHm
- t
PLHn
|,
t
OSHL
= | t
PHLm
- t
PHLn
|)
Parameter guaranteed by design
2.
3.0 to 3.6
50
500
2.5
1.0
ns
Table 8. Capacitive characteristics
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25 °C
Min
Typ
Max
C
IN
Input capacitance
4
pF
C
OUT
Output capacitance
10
pF
C
PD
Power dissipation
capacitance
(1)
1.
C
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the
operating current consumption without load. (Refer to Test Circuit). Average operating current can be
obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/16 (per circuit)
3.3
f
IN
= 10MHz
V
IN
= 0 or V
CC
50
pF
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