PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 58
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PCF2129AT/2,518
Manufacturer Part Number
PCF2129AT/2,518
Description
Real Time Clock
Manufacturer
NXP Semiconductors
Series
PCF2129r
Datasheet
1.PCF2129AT2518.pdf
(73 pages)
Specifications of PCF2129AT/2,518
Rohs
yes
Function
Clock, Calendar, Alarm, Watchdog, Timestamp
Rtc Bus Interface
I2C, SPI
Date Format
Binary
Time Format
Binary
Supply Voltage - Max
4.2 V
Supply Voltage - Min
1.2 V
Maximum Operating Temperature
+ 60 C
Minimum Operating Temperature
- 15 C
Mounting Style
SMD/SMT
Package / Case
SOP-20
Battery Backup Switching
Yes
Factory Pack Quantity
2000
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCF2129AT/2,518
Manufacturer:
NXP/恩智浦
Quantity:
20 000
NXP Semiconductors
13. Dynamic characteristics
Table 55.
V
operating supply voltage at ambient temperature and referenced to V
Figure
[1]
PCF2129AT
Product data sheet
Symbol
Pin SCL
f
t
t
t
t
t
Pin SDA/CE
t
t
t
t
Pin SDI
t
t
Pin SDO
t
t
t
clk(SCL)
SCL
clk(H)
clk(L)
r
f
su(CE_N)
h(CE_N)
rec(CE_N)
w(CE_N)
su
h
d(R)SDO
dis(SDO)
t(SDI-SDO)
DD
= 1.8 V to 4.2 V; V
No load value; bus will be held up by bus capacitance; use RC time constant with application values.
42).
SPI-bus characteristics
Parameter
SCL clock frequency
SCL time
clock HIGH time
clock LOW time
rise time
fall time
CE_N set-up time
CE_N hold time
CE_N recovery time
CE_N pulse width
set-up time
hold time
SDO read delay time
SDO disable time
transition time from SDI to
SDO
13.1 SPI-bus timing characteristics
SS
= 0 V; T
amb
=
40
All information provided in this document is subject to legal disclaimers.
Conditions
for SCL signal
for SCL signal
set-up time for SDI data
hold time for SDI data
C
[1]
to avoid bus conflict
C to +85
L
= 50 pF
Rev. 5 — 12 February 2013
C, unless otherwise specified. All timing values are valid within the
IL
and V
V
Min
800
100
400
-
-
60
40
100
-
70
70
-
-
-
0
Integrated RTC, TCXO and quartz crystal
IH
DD
with an input voltage swing of V
= 1.8 V
100
-
-
0.99
Max
2.0
-
-
-
100
-
-
-
225
90
-
-
30
30
-
20
V
Min
-
140
70
70
-
25
20
-
-
0
PCF2129AT
DD
= 4.2 V
© NXP B.V. 2013. All rights reserved.
-
-
Max
6.5
-
-
-
30
30
-
0.99
-
-
55
25
-
SS
to V
ns
ns
Unit
MHz
ns
ns
ns
ns
ns
ns
s
ns
ns
ns
ns
ns
DD
58 of 73
(see