EM6821 datasheet(63/68 Pages) EMMICRO

63 / 68 page

EM6821

www.emmicroelectronic.com

Conditions: VDD=3.0V, T=25°C, with internal voltage regulator (unless otherwise specified)

Parameter

Conditions

Symbol

Min.

Typ.

Max.

Unit

ACTIVE Supply Current

(note2,3)

IVDDa2

1.3

2.5

µA

(in active mode with LCD on)

-20 ... 85°C (note2,3)

IVDDa2

3.0

µA

STANDBY Supply Current

IVDDh2

0.4

0.8

µA

(in Halt mode, LCDOff)

-20 ... 85°C

IVDDh2

1.2

µA

SLEEP Supply Current

IVDDs2

0.1

0.4

µA

-20 ... 85°C

IVDDs2

0.7

µA

POR static level

-20 ... 85°C, No Load on Vreg

VPOR2

1.0

1.2

RAM data retention

-20 ... 85°C

Vrd2

1.0

Regulated voltage

Halt mode, No Load

Vreg

1.2

1.4

1.7

Note 2: LCD Display not connected.

Note 3: Specified values are with XTAL connected. During test the oscillator is driven externally on a frequency

of 32.768 KHz and amplitude of Vreg voltage.

20.5 Supply Voltage Level Detector

Parameter

Conditions Symbol

Min.

Typ.

Max.

Unit

SVLD voltage Level1

-10 to 60

°C

VSVLD1

3.65

4.01

4.35

SVLD voltage Level2

-10 to 60

°C

VSVLD2

2.70

2.99

3.27

SVLD voltage Level3

-10 to 60

°C

VSVLD3

2.20

2.41

2.65

SVLD voltage Level4

-10 to 60

°C

VSVLD4

1.78

2.00

2.20

SVLD voltage Level5

-10 to 60

°C

VSVLD5

1.62

1.78

1.93

SVLD voltage Level6

-10 to 60

°C

VSVLD6

1.39

1.54

1.68

SVLD voltage Level7

-10 to 60

°C

VSVLD7

1.23

1.36

1.50

SVLD voltage Level8

-10 to 60

°C

VSVLD8

1.06

1.20

1.34

Temperature coefficient

0 to 50

°C

TCOEFF

< +/- 0.2

mV/

°C

20.6 Oscillator

Conditions: T=25

°C (unless otherwise specified)

Parameter

Conditions

Symbol

Min.

Typ.

Max.

Unit

Temperature stability

+15 ... +35 °C

df/f x dT

0,3

ppm /°C

Voltage stability

VDD=1,4 - 1,6 V

df/f x dU

ppm /V

Input capacitor

Ref. on VSS

Cin

5,6

8,4

Output capacitor

Ref. on VSS

Cout

12,1

15,9

Transconductance

50mVpp,VDDmin

2.5

15.0

µA/V

Oscillator start voltage

Tstart < 10 s

Ustart

VDDmin

Oscillator start time

VDD > VDDMin

tdosc

0.5

System start time

(oscillator + cold-start +

reset)

tdsys

1.5

Oscillation detector

frequency

VDD > VDDmin

tDetFreq

kHz

EM6821 Datasheet(PDF) 63 Page - EM Microelectronic - MARIN SA

EM6821 Datasheet(HTML) 63 Page - EM Microelectronic - MARIN SA

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