© 2000 Scenix Semiconductor, Inc. All rights reserved. 17 SX User’s Manual Rev. 3.1 www.scenix.com Chapter 1 Overview Table 1-1 is a list of the available SX device packages and the corresponding number of pins, number of I/O pins, program (flash) memory size, and general-purpose RAM size. Use this table as a guide for
ordering the parts that fit your requirements. Table 1-1  Device Package Names Device Pins I/O        Operating
Frequency (MHz) EE/Flash (Words) RAM (Bytes) Operating Temp. (°C) SX18AC/SO
SX18AC-I/SO
SX18AC75/SO 18
18
18 12
12
12 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX18AC/DP
SX18AC-I/DP
SX18AC75/DP 18
18
18 12
12
12 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX20AC/SS
SX20AC-I/SS
SX20AC75/SS 20
20
20 12
12
12 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX28AC/SO
SX28AC-I/SO
SX28AC75/SO 28
28
28 20
20
20 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX28AC/DP
SX28AC-I/DP
SX28AC75/DP 28
28
28 20
20
20 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX28AC/SS
SX28AC-I/SS
SX28AC75/SS 28
28
28 20
20
20 50
50
75 2K
2K
2K 136
136
136   0°C to +70°C
-40°C to +85°C 0°C to +70°C SX48BD/TQ 48 36 50 4K 262 0°C to +70°C SX52BD/PQ 52 40 50 4K 262 0°C to +70°C SX48BD-I/TQ 48 36 50 4K 262 -40°C to +85°C SX52BD-I/PQ 52 40 50 4K 262 -40°C to +85°C SX52BD75/PQ 52 40 75 4K 262 0°C to +70°C SX52BD100/PQ 52 40 100 4K 262 0°C to +70°C