PCA88021 NXP [NXP Semiconductors], PCA88021 Datasheet - Page 21

• Manufacturer Part Number: PCA88021
• Description: ultra low power oscillator with integrated counter for initiating one time password generation
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 11.
V
otherwise specified.
[1]
[2]
12. Dynamic characteristics
Table 12.
V
[1]
[2]
PCA8802_1
Product data sheet
Symbol
I
I
Symbol
Timing characteristics: serial bus
f
t
t
t
t
t
t
t
t
t
t
t
C
Timing characteristics: INT
t
OL
LO
SCL
LOW
HIGH
BUF
HD;STA
SU;STA
r
f
SU;DAT
HD;DAT
SU;STO
VD;DAT
w(int)
DD
DD
b
= 1.6 V to 5.5 V; V
Unless otherwise defined, I
Integrated load capacitance, C
= 1.6 V to 5.5 V; V
All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to V
input voltage swing of V
Rise and fall times are not limited. Fast edges may lead to system EMI problems, whilst slow edges are susceptible to noise.
Static characteristics
Dynamic characteristics
Parameter
LOW-level output current
output leakage current
Parameter
SCL clock frequency
LOW period of the SCL clock
HIGH period of the SCL clock
bus free time between a STOP and
START condition
hold time (repeated) START condition
set-up time for a repeated START
condition
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
data set-up time
data hold time
set-up time for STOP condition
data valid time
capacitive load for each bus line
interrupt pulse width
SS
SS
SS
= 0 V; f
= 0 V; T
to V
DD
is measured with the reset state, see
L(itg)
DD
osc
amb
.
, is a calculation of C
…continued
= 32.768 kHz; T
= 40 C to +85 C; unless otherwise specified.
Conditions
V
V
on pins INT and SDA
V
V
on pins INT and SDA
V
on pins SDA and INT
OL
DD
OL
DD
O
= V
= 1.0 V;
= 0.32 V;
= 5 V;
= 1.6 V;
DD
Rev. 01 — 19 February 2009
or V
amb
OSCI
Conditions
SS
= 40 C to +85 C; quartz crystal: R
and C
;
OSCO
Section
in series:
[2]
[2]
9.7.
C
Min
-
500
260
500
260
260
-
-
50
0
260
75
-
20
L itg
Min
2
0.4
200
=
[1]
--------------------------------------------
C
C
OSCI
OSCI
Typ
-
-
-
-
-
-
10
10
-
-
-
-
-
40
Typ
0
7
1
s
= 30 k , C
+
C
C
OSCO
OSCO
Max
-
-
+200
PCA8802
Max
1
-
-
-
-
-
-
-
-
-
-
450
50
80
© NXP B.V. 2009. All rights reserved.
.
L
Smartcard RTC
= 6.0 pF; unless
IL
and V
Unit
mA
mA
nA
IH
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
21 of 34
s
with an