SX Device Programming Specifications Rev 2.2 12 © 2000 Scenix Semiconductor, Inc. All rights reserved. www.scenix.com Table 2.2 In System Programming Spec. of SX devices Parameter SX28 (New Rev., Date       Code
Axyywwxx)     SX28 (Old
    Rev., Date
Code yywwxx)  SX 52 (With
ES Marking,  Date Code
Ax99wwxx) SX 52 (New Rev., Date       Code
Ax00wwxx) Program
Time:
Program
Memory: FUSE,
FUSEX
Words: 10ms 50ms 100ms 250ms 100ms 250ms 10ms 50ms Erase Time 500 ms 500 ms 500 ms 500 ms VDD 2.7-5.5V 4.5-5.5V 4.5-5.5V 2.7-5.5V VPP 12.5 (5% toler-
ance) 12.5 (3% toler-
ance) 12.5 (3% toler-
ance) 12.5 (5% toler-
ance) Max Cur-
rent at VPP
pin 15 ma 15 ma 15 ma 15 ma Temp -40 to 85 C -40 to 85 C -40 to 85 C -40 to 85 C Device
Word Reads $FCE $FDE (Rev.
4.1); $FEE
(Rev. 2.5) $001 $002 FUSE &
FUSEX
Words After PRO-
GRAM those
words, READ
explicitly those
words to update
the new value New value gets
updated after
PROGRAM
those words New value gets
updated after
PROGRAM
those words After PRO-
GRAM those
words, READ
explicitly those
words to update
the new value MCLR Doesn’t require
the 100 ohm
resitor between
the MCLR pin
and the VPP 100 ohm resis-
tor between the
MCLR pin and
the VPP
required Doesn’t require
the100 ohm
resistor between
the MCLR pin
and the VPP Doesn’t require
the100 ohm
resistor between
the MCLR pin
and the VPP