PCF2123BS/1,518 NXP Semiconductors, PCF2123BS/1,518 Datasheet - Page 44

• Manufacturer Part Number: PCF2123BS/1,518
• Description: IC RTC/CALENDAR SPI BUS 16HVQFN
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2123BS/1,518

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.1 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 935286382518

NXP Semiconductors
PCF2123
Product data sheet
Fig 28. SPI-bus timing
WRITE
READ
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SDO
SCL
SDI
SDI
CE
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Hi Z
Hi Z
b7
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b6
All information provided in this document is subject to legal disclaimers.
20%
Rev. 4 — 22 December 2010
t
r
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t(SDI-SDO)
80%
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RA0
b0
b7
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d(R)SDO
b6
b6
t
clk(H)
t
t
w(CE)
SCL
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clk(L)
SPI Real time clock/calendar
t
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h(CE)
b0
PCF2123
© NXP B.V. 2010. All rights reserved.
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