74lcx125 STMicroelectronics, 74lcx125 Datasheet - Page 7

• Manufacturer Part Number: 74lcx125
• Description: Cmos Quad Bus Buffers With 5v Tolerant Input And Output
• Manufacturer: STMicroelectronics

74LCX125
Table 7. AC electrical characteristics
1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two
2. Parameter guaranteed by design
Table 8. Capacitive characteristics
1. C
t
t
t
Symbol
Symbol
PLH
PZL
PLZ
C
t
t
C
outputs of the same device switching in the same direction, either HIGH or LOW (t
t
operating current consumption without load. (Refer to Test Circuit). Average operating current can be
obtained by the following equation. I
OSLH
OSHL
C
OSHL
OUT
PD
PD
IN
t
t
t
PZH
PHZ
PHL
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the
= | t
Input capacitance
Output capacitance
Power dissipation
capacitance
Propagation delay
time
Output enable
time to HIGH and
LOW level
Output disable
time to HIGH and
LOW level
Output to output
skew time
PHLm
Parameter
- t
PHLn
Parameter
(1) (2)
|)
(1)
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
V
CC(opr)
2.7
2.7
2.7
(V)
CC
= C
V
(V)
3.3
3.3
3.3
CC
PD
Test condition
(pF)
Test condition
C
x V
50
50
50
50
L
CC
V
V
V
x f
f
IN
IN
IN
IN
IN
= 0 or V
= 0 to V
= 0 to V
= 10MHz
500
+ I
500
500
500
(Ω)
R
L
CC
/4 (per gate)
CC
CC
CC
t
s
(ns)
2.5
2.5
2.5
2.5
= t
Electrical characteristics
Min
r
OSLH
T
A
Min
-40 to 85 °C
1.0
1.0
1.0
1.0
1.0
Value
= 25 °C
Typ
10
37
5
= | t
Value
PLHm
Max
6.0
5.2
6.0
5.0
6.0
5.0
1.0
Max
- t
PLHn
Unit
Unit
|,
ns
ns
ns
ns
pF
pF
pF
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