Tandy 1000 SL Technical Reference Manual page 171

TANOY COMPUTER PRODUCTS
2.0 ENVIROMENTAL SPECIFICATIONS
2.1 Storage temperature: -65OC min., +15OoC max.
2 . 2 Operating temperature: O°C min., +25OC typ, +7OoC max.
3.0 DC ELECTRICAL SPECIFICATIONS
3.1 Absolute Maximum Rating:
Voltage on any pin
w.r.t. Ground: -0.5 min.,
7 . 0
max. volts
3.2 Operating Electrical Specifications:
3.2.1 Operating Ambient:
Min. Typ. Max. Units
---- ---- ---- -----
Air Temperatue Range 0 25
70
OC
3.2.2 Power Supplies:
vcc
vss
ICC
Total Power
3.2.3 Leakage Current, All Inputs:
Vin
=
0.0 v
4.5 5.0 5.5
0 0 0
-10
Vin = 5.0
v
+10
volts
volts
milli-
amps
milli-
watts
micro-
Y P S
micro-
amp s
3.2.4 Input voltages:
3.2.4.1 Except RDDATA"
,
TRK*
Logic
r O g t
.8 volts
Logic ttl" 2.0 volts
Positive going threshold 1.8 volts
Negative going threshold 1.2 volts
3.2.4 .2 RDDATA*
,
TRK*
Hysteresis voltage 220 milli-
volts
3.2.5 Output Voltages:
3.2.5.1 Except WRDATA*, STEP*
Logic @ 4.0 mA load
Logic I'1" @ 4.0
mA
load 2.4
3.2.5.2 WRDATA*
,
STEP*
Logic "0"
@
48 mA
.4 volts
volts
.5 volts
3.2.6 Input Capacitance (0.0
<
Vin
<
5.0)
All inputs 10 pf
3.2.7 Output Capacitance
All loads 50 pf
5