DRIVER ELECTRICAL SPECIFICATIONS
(Voltage polarities referenced to GND = 0 V: VCC = +5 V ± 10%; C1, C2, C3, C4 = 10 µF; TA = –40 to +85°C)
Characteristic
Symbol
Min
Typ
Max
Unit
Digital Input Voltage
Logic 0
Logic 1
Input Current
GND ≤ VDI1 – DI3 ≤ VCC
DI1 – DI3
VIL
—
VIH
2.0
DI1 – DI3
Iin
—
V
—
0.8
—
—
—
± 1.0
µA
Output High Voltage
VDI1 – DI3 = Logic 0, RL = 3.0 kΩ
Tx1 – Tx3 VOH
6
7.5
—
V
Tx1 – Tx6*
5
6.5
—
Output Low Voltage
VDI1 – DI3 = Logic 1, RL = 3.0 kΩ
Tx1 – Tx3 VOL
–6
– 7.5
—
V
Tx1 – Tx6*
–5
– 6.5
—
Off Source Impedance (Figure 1)
Tx1 – Tx3
Zoff
300
—
—
Ω
Output Short–Circuit Current
VCC = + 5.5 V
Tx1 – Tx3
ISC
Tx1 – Tx3 shorted to GND**
—
Tx1 – Tx3 shorted to ± 15 V***
—
mA
—
± 60
—
± 100
* Specifications for an MC145407 powering an MC145406 with three additional drivers/receivers.
** Specification is for one Tx output pin to be shorted at a time. Should all three driver outputs be shorted simultaneously, device power dissipation
limits could be exceeded.
*** This condition could exceed package limitations.
SWITCHING CHARACTERISTICS (VCC = + 5 V ± 10%; C1, C2, C3, C4 = 10 µF; TA = – 40 to + 85°C; See Figures 2 and 3)
Characteristic
Symbol
Min
Typ
Max
Drivers
Propagation Delay Time
Low–to–High
RL = 3 kΩ, CL = 50 pF or 2500 pF
Tx1 – Tx3 tPLH
—
0.5
1
High–to–Low
RL = 3 kΩ, CL = 50 pF or 2500 pF
tPHL
—
0.5
1
Output Slew Rate
Minimum Load: RL = 7 kΩ, CL = 0 pF
Tx1 – Tx3
SR
—
9.0
± 30
Maximum Load: RL = 3 kΩ, CL = 2500 pF
Receivers (CL = 50 pF)
4.0
—
—
Propagation Delay Time
Low–to–High
DO1 – DO3
tPLH
—
—
1
High–to–Low
tPHL
—
—
1
Output Rise Time
DO1 – DO3
tr
—
250
400
Output Fall Time
DO1 – DO3
tf
—
40
100
Unit
µs
V/µs
µs
ns
ns
MC145407
4
MOTOROLA