Philips Semiconductors
P89LPC930/931
8-bit microcontrollers with two-clock 80C51 core
Product data Rev. 05 — 15 December 2004 51 of 55
9397 750 14472
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
12. Comparator electrical characteristics
[1] This parameter is characterized, but not tested in production.
Table 10: AC characteristics, ISP entry mode
V
DD
= 2.4 V to 3.6 V, unless otherwise specified.
T
amb
=
−
40
°
Cto+85
°
C for industrial, unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
t
VR
RST delay from V
DD
active 50 - - µs
t
RH
RST HIGH time 1 - 32 µs
t
RL
RST LOW time 1 - - µs
Fig 21. ISP entry waveform.
002aaa426
V
DD
RST
t
RL
t
VR
t
RH
Table 11: Comparator electrical characteristics
V
DD
= 2.4 V to 3.6 V, unless otherwise specified.
T
amb
=
−
40
°
Cto+85
°
C for industrial, unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
V
IO
offset voltage comparator inputs - - ±20 mV
V
CR
common mode range comparator inputs 0 - V
DD
− 0.3 V
CMRR common mode rejection ratio
[1]
--−50 dB
response time - 250 500 ns
comparator enable to output valid - - 10 µs
I
IL
input leakage current, comparator 0 < V
IN
<V
DD
--±10 µA
