Datasheet

SN74GTLPH1612
18-BIT LVTTL-TO-GTLP ADJUSTABLE-EDGE-RATE
UNIVERSAL BUS TRANSCEIVER
SCES287D – OCTOBER 1999 – REVISED AUGUST 2001
3–81
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, V
TT
= 1.5 V and V
REF
= 1 V for GTLP (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
EDGE RATE
†
TYP
‡
UNIT
t
PLH
5.3
t
PHL
A B Slow
5.3
ns
t
PLH
4
t
PHL
A B Fast
4
ns
t
PLH
5.2
t
PHL
LEAB B Slow
5.2
ns
t
PLH
3.9
t
PHL
LEAB B Fast
3.9
ns
t
PLH
5.5
t
PHL
CLK B Slow
5.5
ns
t
PLH
4.3
t
PHL
CLK B Fast
4.3
ns
t
en
5.7
t
dis
OEAB
B Slow
4.3
ns
t
en
4.3
t
dis
OEAB
B Fast
3.8
ns
Slow 2
t
r
Rise time, B outputs (20% to 80%)
Fast 1.2
ns
Slow 2.5
t
f
Fall time, B outputs (80% to 20%)
Fast 1.8
ns
†
Slow (ERC
= GND) and Fast (ERC = V
CC
)
‡
All typical values are at V
CC
= 3.3 V, T
A
= 25°C. All values are derived from TI-SPICE models.