P89LPC9401_1 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet Rev. 01 — 5 September 2005 53 of 59
Philips Semiconductors
P89LPC9401
8-bit two-clock 80C51 microcontroller with 32 segment × 4 LCD driver
10.2 ISP entry mode
11. Other characteristics
11.1 Comparator electrical characteristics
[1] This parameter is characterized, but not tested in production.
Table 14: Dynamic characteristics, ISP entry mode
V
DD
= 2.4 V to 3.6 V, unless otherwise specified.
T
amb
=
−
40
°
C to +85
°
C for industrial applications, unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
t
VR
V
DD
active to RST_N active delay
time
pin RST 50 - - µs
t
RH
RST_N HIGH time pin RST 1 - 32 µs
t
RL
RST_N LOW time pin RST 1 - - µs
Fig 23. ISP entry waveform
002aaa912
V
DD
RST
t
RL
t
VR
t
RH
Table 15: Comparator electrical characteristics
V
DD
= 2.4 V to 3.6 V, unless otherwise specified.
T
amb
=
−
40
°
C to +85
°
C for industrial applications, unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
V
IO
input offset voltage - - ±20 mV
V
IC
common-mode input voltage 0 - V
DD
− 0.3 V
CMRR common-mode rejection ratio
[1]
--−50 dB
t
res(tot)
total response time - 250 500 ns
t
(CE-OV)
comparator enable to output valid time - - 10 µs
I
LI
input leakage current 0 V < V
I
<V
DD
--±10 µA
