AM26LS32 Datasheet, PDF (3/4 Pages) Motorola, Inc – QUAD EIA-422/3 LINE RECEIVER WITH THREE.STATE OUTPUTS

AM26LS32
SWITCHING CHARACTERISTICS (VCC = 5.0 V and TA = 25°C, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
Propagation Delay Time – DIfferential Inputs to Output
(Output High to Low)
(Output Low to High)
Propagation Delay Time – Three–State Control to Output
(Output Low to Third State)
(Output High to Third State)
(Output Third State to High)
(Output Third State to Low)
tPHL(D)
–
tPLH(D)
–
tPLZ
–
tPHZ
–
tPZH
–
tPZL
–
ns
–
30
–
30
ns
–
35
–
35
–
30
–
30
Figure 1. Switching Test Circuit and Wave for Propagation Delay Differential Input to Output
To Scope
(Input)
51
Pulse
Generator
+
Differential
Inputs
–
To Scope
(Output)
CL = 15 pF
(Includes Probe
and Stray
Capacitance)
0V
+ 2.0 V 3–State Control
+ 2.5 V
Input 0 V
– 2.5 V
tPLH(D)
VOH
VOL ^{Output 1.3 V}
0V
0V
tPHL(D)
1.3 V
Input Pulse Characteristics
tTLH – tTHL – 6.0 ns (10% to 90%)
PRR – 1.0 MHz, 50% Duty Cycle
Figure 2. Propagation Delay Three–State Control Input to Output
Input Pulse Characteristics
tTLH – tTHL – 6.0 ns (10% to 90%)
PRR – 1.0 MHz, 50% Duty Cycle
To Scope
(Input)
3–State
Control
To Scope
(Output)
Pulse
Generator
+ 1.5 V for tPHZ and tPZH
– 1.5 V for tPLZ and tPZL
51 _{2.0 V}
–
+
Differential
Inputs
CL 15 pF
(Includes
Probe and Stray
Capacitance)
SW1
2.0 k
5.0 k
All Diodes 1N916 or
Equivalent
SW2
+ 5.0 V
3.0 V
Input
0V
[ 1.3 V
Output
VOL
3.0 V
Input
0V
VOH
Output
0V
tPLZ
1.5 V
tPLZ
SW1 Closed
SW2 Closed
0.5 V
0V
tPZH
1.5 V SW1 Open
SW2 Closed
tPZH
1.5 V
3.0 V
Input
0V
VOH
[ Output
1.3 V
3.0 V
Input
0V
[ 5.0 V – VBE
Output
VOL
tPHZ
1.5 V
tPHZ
0.5 V
SW1 Closed
SW2 Closed
0V
tPZL
1.5 V
SW1 Closed
SW2 Open
tPZL
1.5 V
0V
MOTOROLA ANALOG IC DEVICE DATA
3