SX User’s Manual Rev. 3.1 18 © 2000 Scenix Semiconductor, Inc. All rights reserved. www.scenix.com Chapter 1 Overview Figure 1-3  is a diagram showing  the general  naming  conventions  for SX  family devices. The part number consists of several fields that specify the manufacturer, pin count, feature set, memory size,
supply voltage, operating temperature range, and package type, as indicated in Figure 1-3. Throughout this manual,  the  term  “SX”  refers to  all  the  devices listed in  Table 1-1,  except  where
indicated otherwise. Figure 1-3 Part Numbering Reference Guide SX18ACXX-I/SO P a ckage Type E xtended  Tem perature M em ory Size Feature  S et Pin C ount S ceniX A = 512 word B = 1k word C = 2k word D = 4k word S peed Blank = 50 MHz 75 = 75 MHz 100 = 100 MHz DP = SDIP SO = SOP SS = SSOP TQ = Tiny PQFP PQ = PQFP Blank = 0°C to +70°C I = -40°C to +85°C