pcf8564a NXP Semiconductors, pcf8564a Datasheet - Page 28

• Manufacturer Part Number: pcf8564a
• Description: Real Time Clock And Calendar
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF8564A_1
Product data sheet
Fig 21. I
Fig 23. I
( A)
( A)
I
I
DD
DD
0.8
0.6
0.4
0.2
0.8
0.6
0.4
0.2
1
0
1
0
0
40
T
V
DD
DD
amb
DD
as a function of V
as a function of T
= 3 V; timer = 1 minute; CLKOUT = 32 kHz.
= 25 C; timer = 1 minute; CLKOUT disabled.
0
2
40
DD
4
80
V
DD
T ( C)
(V)
mgr888
mgr890
120
Rev. 1 — 8 October 2009
6
Fig 22. I
Fig 24. Frequency deviation as a function of V
frequency
deviation
(ppm)
( A)
I
DD
0.8
0.6
0.4
0.2
1
0
4
2
0
2
4
0
0
T
T
DD
amb
amb
as a function of V
= 25 C; timer = 1 minute; CLKOUT = 32 kHz.
= 25 C; normalized to V
2
2
Real time clock and calendar
DD
4
4
DD
PCF8564A
= 3 V.
V
V
© NXP B.V. 2009. All rights reserved.
DD
DD
(V)
(V)
mgr889
mgr891
6
6
DD
28 of 44