CDP68HC68T1E datasheet(3/24 Pages) INTERSIL

Part #	CDP68HC68T1E

Description	CMOS Serial Real-Time Clock With RAM and Power Sense/Control

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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3

Operating Current (Note 3)

VDD = 5V, VB = 3V

Crystal Operation

ID

IB

ID

IS

mA

32kHz

-

25

15

30

20

1MHz

-

0.08

0.15

0.1

0.18

2MHz

-

0.15

0.25

0.18

0.3

4MHz

-

0.3

0.4

0.36

0.5

Standby Current (Note 3)

IB

VB = 2.2V

Crystal Operation

32kHz

-

10

12

µA

Input Capacitance

CIN

VIN = 0, TA = 25

oC-

-

2

pF

Maximum Rise and Fall Times

tr, tf

(Except XTAL Input and POR Pin 10)

--

2

µs

Input Voltage (Line Input Pin Only, Power Sense Mode)

0

10

12

V

VSYS > VB

VT

(For VB Not Internally Connected to VDD)

-

0.7

-

V

Power-On Reset (POR) Pulse Width

100

75

-

ns

NOTES:

2. Typical values are for TA = 25

oC and nominal V

DD.

3. Clock out (Pin 1) disabled, outputs open circuited. No serial access cycles.

Static Electrical Speciﬁcations At TA = -40oC to +85oC, VDD = VBATT = 5V ±5%, except as noted. (Continued)

PARAMETER

CONDITIONS

LIMITS

UNITS

CDP68HC68T1

MIN

(NOTE 2)

TYP

MAX

CDP68HC68T1

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CDP68HC68T1E Datasheet(PDF) 3 Page - Intersil Corporation

CDP68HC68T1E Datasheet(HTML) 3 Page - Intersil Corporation

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