DS276
ELECTRICAL CHARACTERISTICS-3V OPERATION cont’d (TA = 0°C to 70°C)
PARAMETER
SYMBOL
VOTXL
ISC
MIN TYP MAX UNITS NOTES
VDRV +=
VCC=2.7V
TXOUT Level Low
VDRV-=0
0.2
-11
0.3
-10
V
V
5
6
TXOUT Short Circuit
Current
VDRV+ = 5.5V,
VDRV- = -12V
85
30
mA
V/us
us
7
8
TXOUT Output Slew Rate
Propagation Delay
tSR
tPD
5
RXIN Input Threshold Low
VTL
VTH
0.8
1.0
1.6
2.4
V
RXIN Input Threshold
High
1.2
0.4
2.0
1.0
V
V
RXIN Threshold Hysteresis
VHYS
IOH
9
RXOUT Output Current
High
VCC = 2.7V
VOH = 2V
-0.5
mA
mA
RXOUT Output Current
Low
IOL
VCC = 2.7V
VOL = 0.4V
0.5
NOTES:
1. VDRV+ must be greater than or equal to VCC, RXIN must be greater than VDRV-
.
2. See test circuit in Figure 5.
3. See test circuit in Figure 6.
4. See test circuit in Figure 7.
5. RL = 3kΩ=to ground. Max data rate = 20k bps.
6. RL = 3kΩ=to ground. Max data rate = 50k bps.
7. TXIN = VIL.
8. See test circuit in Figure 8.
9. VHYS = VTH - VTL.
7 of 11
DALLAS [ DALLAS SEMICONDUCTOR ]
