Datasheet
Philips Semiconductors Product specification
74LVC125A
Quad buffer/line driver with 5-volt
tolerant inputs/outputs (3-state)
1998 Apr 28
5
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL PARAMETER TEST CONDITIONS Temp = -40°C to +85°C UNIT
MIN TYP
1
MAX
V
HIGH level In
p
ut voltage
V
CC
= 1.2V V
CC
V
V
IH
HIGH
le
v
el
Inp
u
t
v
oltage
V
CC
= 2.7 to 3.6V 2.0
V
V
LOW level In
p
ut voltage
V
CC
= 1.2V GND
V
V
IL
LOW
le
v
el
Inp
u
t
v
oltage
V
CC
= 2.7 to 3.6V 0.8
V
V
CC
= 2.7V; V
I
= V
IH
or V
IL
;I
O
= –12mA V
CC
*0.5
V
O
HIGH level out
p
ut voltage
V
CC
= 3.0V; V
I
= V
IH
or V
IL
;I
O
= –100µA V
CC
*0.2 V
CC
V
V
OH
HIGH
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= –18mA V
CC
*0.6
V
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= –24mA V
CC
*0.8
V
CC
= 2.7V; V
I
= V
IH
or V
IL
;I
O
= 12mA 0.40
V
OL
LOW level output voltage
V
CC
= 3.0V; V
I
= V
IH
or V
IL
;I
O
= 100µA GND 0.20
V
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= 24mA 0.55
I
In
p
ut leakage current
V
CC
=36V
;
V = 5 5V or GND
"01
"5
µA
I
I
Inp
u
t
leakage
c
u
rrent
V
CC
=
3
.
6V
;
V
I
=
5
.
5V
or
GND
"0
.
1
"5
µ
A
I
OZ
3-State output OFF-state current
2
V
CC
= 3.6V; V
I
= V
IH
or V
IL
;V
O
= 5.5V or GND 0.1
"5
µA
I
off
Power off leakage supply V
CC
= 0.0V; V
I
or V
O
= 5.5V 0.1
"10
µA
I
CC
Quiescent supply current V
CC
= 3.6V; V
I
= V
CC
or GND; I
O
= 0 0.1 10 µA
∆I
CC
Additional quiescent supply current
per input pin
V
CC
= 2.7V to 3.6V; V
I
= V
CC
–0.6V; I
O
= 0 5 500 µA
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25°C.
2. For I/O ports the parameter I
OZ
includes the input leakage current.
AC CHARACTERISTICS
GND = 0 V; t
r
= t
f
= 2.5 ns; C
L
= 50 pF; R
L
= 500
LIMITS
SYMBOL PARAMETER WAVEFORM V
CC
= 3.3V ±0.3V V
CC
= 2.7V V
CC
= 1.2V UNIT
MIN TYP
1
MAX MIN MAX TYP
t
PHL
t
PLH
Propagation delay
nA to nY
Figures 1, 3 1.5 3.0 4.8 1.5 5.5 12.0 ns
t
PZH
t
PZL
3-State output enable time
nOE to nY
Figures 2, 3 1.5 3.8 5.7 1.5 6.7 13.0 ns
t
PHZ
t
PLZ
3-State output disable time
nOE to nY
Figures 2, 3 1.5 3.7 5.2 1.5 6.2 8 ns
NOTE:
1. These typical values are at V
CC
= 3.3V and T
amb
= 25°C.