© 2000 Scenix Semiconductor, Inc. All rights reserved. - 7 - www.scenix.com SX48BD/SX52BD/SX52BD75/SX52BD100 2.3 Part Numbering Table 1.  Ordering Information Device Pins I/O Operating Frequency (MHz) EE/Flash (Words) RAM (Bytes) Voltage Range (V) Operating Temp. (°C) SX48BD/TQ 48 36 50 4K 262 3.0 - 5.5 0°C to +70°C SX52BD/PQ 52 40 50 4K 262 3.0 - 5.5 0°C to +70°C SX48BD-I/TQ 48 36 50 4K 262 3.0 - 5.5 -40°C to +85°C SX52BD-I/PQ 52 40 50 4K 262 3.0 - 5.5 -40°C to +85°C SX52BD75/PQ 52 40 75 4K 262 4.5 - 5.5 0°C to +70°C SX52BD100/PQ 52 40 100 4K 262 4.75 - 5.25 0°C to +70°C Figure2-1. Part Number Reference Guide SX52BDXX-I/PQ Package Type Extended Temperature Program Feature Set Pin Count SceniX A = 512 word B = 1k word C = 2k word D = 4k word Speed Blank = 50 MHz 75 = 75 MHz 100 = 100 MHz TQ = Tiny PQFP PQ = PQFP Blank = 0°C to +70°C I = -40°C to +85°C Memory Size