Datasheet

74AXP1G125 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet Rev. 1 — 16 January 2014 7 of 18
NXP Semiconductors
74AXP1G125
Low-power buffer/line driver; 3-state
[1] All typical values are measured at nominal V
CC
.
[2] t
pd
is the same as t
PLH
and t
PHL
.
[3] t
en
is the same as t
PZH
and t
PZL
.
[4] t
dis
is the same as t
PHZ
and t
PLZ
.
[5] For additional propagation delays and enable times values at different load capacitances see Figure 8
to Figure 12.
[6] t
t
is the same as t
THL
and t
TLH
.
[7] C
PD
is used to determine the dynamic power dissipation (P
D
in W).
P
D
=C
PD
 V
CC
2
 f
i
 N+C
L
 V
CC
2
 f
o
where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching.
12. Waveforms
C
PD
power dissipation
capacitance
f
i
= 1 MHz; V
I
=0 VtoV
CC
[7]
V
CC
= 0.75 V to 0.85 V - 2.4 - - - pF
V
CC
= 1.1 V to 1.3 V - 2.5 - - - pF
V
CC
= 1.4 V to 1.6 V - 2.6 - - - pF
V
CC
= 1.65 V to 1.95 V - 2.6 - - - pF
V
CC
= 2.3 V to 2.7 V - 3.0 - - - pF
Table 8. Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V); for test circuit, see Figure 13.
Symbol Parameter Conditions T
amb
= 25 C T
amb
= 40 C to +85 C Unit
Min Typ
[1]
Max Min Max
Measurement points are given in Table 9.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 6. The data input (A) to output (Y) propagation delays
DDD
9
2+
9
,
9
2/
$
LQSXW
<R
XWSXW
9
0
9
0
*1'
 

W
3+/
W
3/+
W
7+/
W
7/+
 
9
0
9
0