em3027 EM Microelectronic, em3027 Datasheet - Page 5
em3027
Manufacturer Part Number
em3027
Description
Real-time Clock With I2c Or Spi Interface, Crystal Temperature Compensation, Battery Switchover And Trickle Charger
Manufacturer
EM Microelectronic
Datasheet
1.EM3027.pdf
(27 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
em3027IDS
Manufacturer:
EM
Quantity:
20 000
Part Number:
em3027IDSSO8B+
Manufacturer:
EMMICRO
Quantity:
20 000
Table 7
Notes: The following parameters are tested during production test:
1. SDA =’0’, continuous clock applied at SCL
2. CS, SI =’1’, continuous clock applied at SCK, SO is not connected
3. V
Copyright © 2008, EM Microelectronic-Marin SA
07/08 – rev B
Dynamic current
SPI Interface
Low supply detection
level1
Low supply detection
level2
Switchover hysteresis
Input Parameters:
Low level input voltage
High level input voltage
Input Leakage
Output Parameters:
Low level output voltage
High level output
voltage
Low level output voltage
High level output
voltage
Low level output voltage
High level output
voltage
Output HiZ leakage on
INT
Oscillator:
Start-up voltage
Start-up time
Frequency stability over
voltage
Input capacitance on X1
Output capacitance on
X2
Trickle Charger
Current limiting
Resistors
meas
I
The parameters I
DD
: Peak to peak amplitude during capacitance measurement
, V
low1
R
, V
low2
, V
CC
IL
, V
, V
I
Δf/(f*ΔV)
LEAK_OUT
IH
R1.5k
hyst
R80k
R20k
C
V
V
V
V
T
, V
R5k
V
V
V
V
V
V
V
C
I
V
I
DD
low1
low2
STA
OUT
hyst
STA
IN
OH
OH
OH
OL
OL
OL
, V
IL
IH
IN
OL
, V
STA
OH
, T
SCK = 200 kHz
(See Note 2)
SCK = 1 MHz
(See Note 2)
SCK = 1 MHz
(See Note 2)
Supply voltage V
variation
Supply voltage V
variation
V
3.0V
at CS, CLKOE, SI
at CS, CLKOE, SI
0.0 < V
I
I
I
I
I
I
INT not active
T
1.8V ≤ V
+25°C
T
V
T
V
V
V
V
V
OL
OH
OL
OH
OL
OH
, I
STA
A
A
CC
meas
meas
CC
CC
CC
CC
STA
IN
= +25°C, f = 32.768kHz,
= +25°C, f = 32.768kHz,
= 0.4 mA
= 1.5 mA
= 5.0 mA
= 0.1 mA
= 1.5 mA
= 2.0 mA
with respect to V
=5.0V, V
=5.0V, V
=5.0V, V
=5.0V, V
, I
, C
< 10s
= 0.3V (Note 3)
= 0.3V (Note 3)
LEAK_OUT
IN
IN
CC
, C
< V
≤ 5.5V, T
OUT
CC
Back
Back
Back
Back
, Δf/(f*ΔV) are characterised during the qualification of the IC.
=3.0V
=3.0V
=3.0V
=3.0V
CC
CC
A
Back
=
=
5
1.3 to 5.0
1.3 to 5.0
1.3 to 5.0
1.3 to 5.0
1.3
3.3
5.0
1.3
3.3
5.0
5.0
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
25
25
25
25
25
25
25
0.8V
1.70
1.25
-1.5
-1.5
1.0
2.7
4.5
1.2
-1
-1
www.emmicroelectronic.com
CC
EM3027
0.5
0.5
5.0
1.5
20
16
16
80
20
1
0.2V
1.87
1.40
0.25
1.5
0.2
0.8
1.5
14
18
50
55
65
75
1
1
3
3
2
CC
ppm/V
mV
kΩ
kΩ
kΩ
kΩ
µA
µA
µA
µA
µA
pF
pF
V
V
V
V
V
V
V
V
V
V
V
s
s