Timing Diagrams - Elan EM78P458 User Manual

4.16 Timing Diagrams

AC Test Input/O utput W aveform
2.4
0.4
AC T esting : Input is driven at 2.4V for logic "1",and 0.4V for logic "0".Tim ing m easurem ents are
m ade at 2.0V for logic "1",and 0.8V for logic "0".
RESET Tim ing (CLK="0")
CLK
/RESET
TCC Input Tim ing (CLKS="0")
CLK
T CC
This specification is subject to change without prior notice.
2.0
0.8
T drh
T ins
T tcc
2.0
TEST POIN TS
0.8
Instruction 1
NO P
Executed
55
EM78P458/459
OTP ROM
07.01.2003 (V1.3)