Datasheet
SN74VMEH22501
LVTTL-TO-ETL 8-BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1-BIT BUS
TRANSCEIVERS WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3-STATE OUTPUTS
SCES357A – JULY 2001 – REVISED SEPTEMBER 2001
6–22
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
T
A
– Free-Air Temperature – °C
LOW-TO-HIGH PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
–50 –30 –10 10 30 50 70 90
V
CC
= 3.45 V
V
CC
= 3.15 V
V
CC
= 3.3 V
t
PLH – Low-to-High Propagation Delay Time – ns
T
A
– Free-Air Temperature – °C
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
–50 –30 –10 10 30 50 70 90
V
CC
= 3.45 V
V
CC
= 3.15 V
V
CC
= 3.3 V
HIGH-TO-LOW PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
t
PHL – High-to-Low Propagation Delay Time – ns
Figure 11. Bus Transceiver Propagation Delay
T
A
– Free-Air Temperature – °C
LOW-TO-HIGH PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
–50 –30 –10 10 30 50 70 90
V
CC
= 3.45 V
V
CC
= 3.15 V
V
CC
= 3.3 V
t
PLH– Low-to-High Propagation Delay Time – ns
T
A
– Free-Air Temperature – °C
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
–50 –30 –10 10 30 50 70 90
V
CC
= 3.45 V
V
CC
= 3.15 V
V
CC
= 3.3 V
HIGH-TO-LOW PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
t
PHL – High-to-Low Propagation Delay Time – ns
Figure 12. UBT Propagation Delay
PRODUCT PREVIEW