PCF2127T 查看數據表（PDF） - NXP Semiconductors.
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PCF2127T Datasheet PDF : 101 Pages
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NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
Programmable 1 second or 1 minute interrupt
Programmable watchdog timer with interrupt
Programmable alarm function with interrupt capability
Programmable square wave output pin
Programmable countdown timer with interrupt
Clock operating voltage: 1.8 V to 4.2 V
Low supply current: typical 0.70 A at VDD = 3.3 V
3. Applications
Electronic metering for electricity, water, and gas
Precision timekeeping
Access to accurate time of the day
GPS equipment to reduce time to first fix
Applications that require an accurate process timing
Products with long automated unattended operation time
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
PCF2127AT
SO20
PCF2127T
SO16
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic small outline package; 16 leads;
body width 7.5 mm
Version
SOT163-1
SOT162-1
4.1 Ordering options
Table 2. Ordering options
Product type number Orderable part number Sales item
(12NC)
Delivery form
PCF2127AT/2
PCF2127AT/2Y
935299867518 tape and reel, 13 inch, dry pack
PCF2127T/2
PCF2127T/2Y
935299866518 tape and reel, 13 inch, dry pack
5. Marking
IC
revision
2
2
Table 3. Marking codes
Product type number
PCF2127AT/2
PCF2127T/2
Marking code
PCF2127AT
PCF2127T
PCF2127
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 19 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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