sx20ac Parallax, Inc., sx20ac Datasheet - Page 42

• Manufacturer Part Number: sx20ac
• Description: Configurable Communications Controllers With Ee/flash Program Memory, In-system Programming Capability And On-chip Debug
• Manufacturer: Parallax, Inc.

Parallax SX20AC/SX28AC
17.3.
SX20/28AC at 75 MHz(Temp Range: 0°C <= Ta <= +70°C)
SX20/28AC at 50 MHz (Temp Range: -40°C <= Ta <= +85°C)
Note: Data in the Typical (“TYP”) column is at 25 °C unless otherwise stated.
17.4.
© Parallax Inc.
F
T
T
Input Offset Voltage
Input Common Mode Voltage Range
Voltage Gain
DC Supply Current (enabled)
Response Time
Symbol
osc
osc
osL
, T
osH
AC Characteristics
Comparator DC and AC Specifications
(50 MHz and 75 MHz Operation)
External CLKIN Frequency
Oscillator Frequency
External CLKIN Period
Oscillator Period
Clock in (OSC1) Low or High Time
Parameter
Parameter
0.4 V < V
0.032
0.032
31.25
31.25
Min
41.7
13.3
41.7
13.3
250
100
250
DC
DC
DC
1.0
1.0
1.0
1.0
1.0
0.1
2.0
8.0
5.3
20
20
50
V
overdrive
Conditions
V
Page 42 of 51
dd
in
= 5.5 V
< V
= 25 mV
Typ
dd
-
-
-
-
-
– 1.5 V
1000.0
1000.0
31.25
31.25
Max
10.0
24.0
1.0
4.0
1.0
4.0
32
10
24
50
75
32
50
75
-
-
-
-
-
Min
0.4
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
kHz
kHz
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
+/- 10
300 k
Typ
HS1/HS2/HS3
HS1/HS2/HS3
HS1/HS2/HS3
HS1/HS2/HS3
HS1/HS2/HS3
Condition
V
XT1/XT2
LP1/LP2
+/- 25
cc
Max
Rev 1.6 11/20/2006
120
250
XT1
XT2
HS3
XT1
XT2
HS3
XT1
XT2
HS3
XT1
XT2
HS3
HS3
LP1
LP2
LP1
LP2
LP1
LP2
LP1
LP2
RC
RC
RC
RC
- 1.3
www.parallax.com
Units
V/V
mV
µA
ns
V