PCF210AA NXP [NXP Semiconductors], PCF210AA Datasheet - Page 42
PCF210AA
Manufacturer Part Number
PCF210AA
Description
SPI Real time clock/calendar Time keeping application
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF210AA.pdf
(63 pages)
- Current page: 42 of 63
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NXP Semiconductors
13. Dynamic characteristics
Table 45.
V
referenced to V
PCF2123
Product data sheet
Symbol
Timing characteristics (see
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
clk(SCL)
SCL
clk(H)
clk(L)
r
f
su(CE)
h(CE)
rec(CE)
w(CE)
su
h
d(R)SDO
dis(SDO)
t(SDI-SDO)
SS
= 0 V; T
Parameter
SCL clock frequency
SCL time
clock HIGH time
clock LOW time
rise time
fall time
CE set-up time
CE hold time
CE recovery time
CE pulse width
set-up time
hold time
SDO read delay time
SDO disable time
transition time from
SDI to SDO
SPI-bus characteristics
amb
IL
=
and V
−
40
°
C to +85
IH
with an input voltage swing of V
Figure
°
C. All timing values are valid within the operating supply voltage and temperature range and
Conditions
for SCL signal
for SCL signal
measured after valid
subaddress is
received
set-up time for SDI
data
bus load = 50 pF
no load value; bus will
be held up by bus
capacitance; use RC
time constant with
application values
to avoid bus conflict
hold time for SDI data 25
28)
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 April 2011
SS
V
Min
-
345
90
200
-
-
40
40
30
-
10
-
-
0
DD
to V
= 1.6 V
DD
Max
-
-
-
100
100
-
-
-
0.99
-
-
190
70
2.9
-
.
V
Min
-
220
50
120
-
-
35
30
25
-
5
10
-
-
0
DD
= 2.4 V
Max
4.54
-
-
-
100
100
-
-
-
0.99
-
-
108
45
-
-
-
20
-
-
V
Min
-
175
45
95
30
25
3
8
-
0
DD
SPI Real time clock/calendar
= 3.3 V
Max
5.71
-
-
-
50
50
-
-
-
0.99
-
-
85
40
-
V
Min
-
125
40
70
-
-
25
15
15
-
2
5
-
-
0
PCF2123
© NXP B.V. 2011. All rights reserved.
DD
= 5.0 V
50
50
60
Max
8.0
-
-
-
-
-
-
0.99
-
-
27
-
42 of 63
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
s
ns
ns
ns
ns
ns
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