Voltage References

MC34050, MC34051
ELECTRICAL CHARACTERISTICS (Unless otherwise noted specifications apply for 4.75 < VCC < 5.25 volts,
and 0" < T A < 70"C).
I Parameter Symbol Min Typ Max Units
RECEIVERS
Differential Input Threshold Voltage (Note 3) VTHR Vdc
(-7.0 V < VICM < + 7.0, Vout '" 2.7 V) - - +0.2
(-7.0 V < VICM < +7.0, Vout '" 0.45 V) -0.2 - -
Input Bias Current IIBR rnA
(0'" VCC '" 5.25 V, Vin = +15 V) - - +2.3
(0'" VCC '" 5.25 V, Vin = -15 V) -2.8 - -
Input Balance and Output Level Vdc
(-7.0'" VICM '" +7.0 V)
(VID = +0.4 V, 10 = -400/LA) VOHR 2.7 - -
(VID = -0.4 V,IO = 8.0 rnA) VOLR - - 0.45
Output Leakage Current - 3-State (Pin 4 = 2.0 V, MC34050 only) 10ZR pA
(VID = +3.0 V, Vo = 0.4 V) -100 - +100
(VID = -3.0 V, Vo = 2.4 V) -100 - +100
Output Short Circuit Current (Note 2, VCC = 5.25 V) 10SR -85 - -15 rnA
(VID = +3.0 V, MC34050 Pin 4 = 0.4 V, Vo = 0 V)
ENABLES
Input Voltage - Low VILE - - 0.8 Vdc
Input Voltage - High VIHE 2.0 - - Vdc
Input Current @ VIL = 0.4 V (Receiver EN) IlLER -100 - - pA
(Driver EN) IILED -360 - -
Input Current @ VIH = 2.7 V IIHE - - +20 pA
VIH = 5.25 V - - +100
Input Clamp Voltage (11K = -18 rnA) VIKE -1.5 - - Vdc
POWER SUPPLY
Power Supply Current @ VCC = 5.25 V ICC 55 80 rnA
Notes: 1) See EtA Standard EIA-422 and Figure 1 for exact test conditions.
2} Only one output in a package should be shorted at a time, for no longer than 1 second.
3} Differential input threshold voltage and guaranteed output levels are done simultaneously for worst case.
4) All currents into a device pin are positive. those out of a pin are negative. Voltages are referenced to ground. Algebraic convention rather
than magnitude is used to define limits.
DRIVER SWITCHING CHARACTERISTICS (VCC = 50 V TA = 25"C See Figure 2)
ParaMeter Symbol Min
Propagation Delay
Data Input to Output High-to-Low tpHLD -
Data Input to Output Low-to-High tPLHD -
Output Skew ([tpHL - tpLHI each driver) tSKD -
Enable Input to Output
CL = 10 pF, RL = 75 {l to Gnd tpHZD -
CL = 10 pF, RL = 180 {l to VCC tpLZD -
CL = 30 pF, RL = 75 {l to Gnd tPZHD -
CL = 30 pF, RL = 180 {l to VCC tpZLD -
Maximum Data Input Transition Time (10-90%) trRD -
RECEIVER SWITCHING CHARACTERISTICS (VCC = 5.0 V TA = 25"C Figure 3)
Parameter Symbol Min
Propagation Delay
Differential Input to Output - High-to-Low tpHLR -
Differential Input to Output - Low-to-High tpLHR -
Enable Input - Output Low to 3-State } tpLZR -
Enable Input - Output High to 3-State tPHZR -
Enable Input - Output 3-State to High MC34050 Only tPZHR -
Enable Input - Output 3-State to Low tpZLR. -
°MC340SO Only.
MOTOROLA LINEAR/INTERFACE ICs DEVICE DATA
7-163
Typ Max Units
- 20
- 20
- 8
- 30
- 35
- 40
- 45
ns
50 - ns
Typ Max Units
- 30
- 30
- 35
- 35
- 30
- 30
ns