SX28AC/SS Parallax Inc, SX28AC/SS Datasheet - Page 41

• Manufacturer Part Number: SX28AC/SS
• Description: IC MCU 2K FLASH 50MHZ 28SSOP
• Manufacturer: Parallax Inc
• Series: SXr

Specifications of SX28AC/SS

• Core Processor: RISC
• Core Size: 8-Bit
• Speed: 75MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 20
• Program Memory Size: 3KB (2K x 12)
• Program Memory Type: FLASH
• Ram Size: 136 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Product: Microcontroller Basic Stamps
• Flash: 2 KBytes
• Timers: 8 bit
• Operating Supply Voltage: 3 to 5.5 V
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: No RoHS Version Available

Parallax SX20AC/SX28AC
17.2.
SX20/28AC at 75MHz(Temp Range: 0°C <= Ta <= +70°C)
SX20/28AC at 50MHz (Temp Range: -40°C <= Ta <= +85°C)
© Parallax Inc.
V
S
I
I
V
I
I
V
V
Symbol
dd
pd
il
ip
dd
Vdd
ih,
oh
ol
V
il
DC Characteristics
Supply Voltage (Note 1)
V
Supply Current, active
Supply Current, power down
Input Levels
MCLR , OSC1, RTCC
All Other Inputs
CMOS
TTL
Input Leakage Current
Weak Pullup Current
Output High Voltage
Output Low Voltage
All Ports
Logic High
Logic Low
Logic High
Logic Low
Logic High
Logic Low
Ports B, C
Port A
dd
rise rate (Note 1)
Parameter
F
F
F
V
V
V
V
V
V
V
V
V
V
V
I
I
I
I
I
I
oh
oh
oh
oh
ol
ol
osc
osc
osc
dd
dd
dd
dd
dd
dd
dd
dd
in
dd
dd
= 20 mA, V
= 30 mA, V
= 20 mA, V
= 12 mA, V
= 30 mA, V
= 20 mA, V
= V
= 3.0 V, V
= 5.0 V, F
= 5.0 V, F
= 5.0 V, F
= 5.0 V, F
= 3.0 V, WDT enabled (before timeout)
= 3.0 V, WDT disabled
= 4.5 V, WDT enabled
= 4.5 V, WDT disabled
= 5.5 V, V
= 32 MHz
= 50 MHz
= 75 MHz
dd
or V
ss
dd
dd
osc
osc
osc
osc
in
in
dd
dd
dd
dd
= 0 V
= 0 V
Conditions
= 4.5 V
= 3.0 V
= 4.5 V
Page 41 of 51
= 4.5 V
= 3.0 V
= 3.0 V
= 75 MHz (External OSC)
= 50 MHz (Crystal)
= 4 MHz (Crystal)
= 75 MHz (External OSC)
0.8 V
0.7 V
V
V
V
V
Min
0.05
dd-
dd-
dd-
dd-
-1.0
100
V
V
V
2.7
3.0
4.5
2.0
25
-
-
-
-
-
ss
ss
ss
0.7
0.7
0.7
0.7
dd
dd
0.2 V
0.3 V
Typ
100
V
V
7.5
1.0
V
0.8
77
17
10
-
-
-
-
dd
dd
ss
dd
ss
Rev 1.6 11/20/2006
Max
+1.0
105
110
100
190
5.5
5.5
5.5
9.0
0.6
0.6
www.parallax.com
82
18
20
50
8
-
Units
V/ms
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V