cy8cmbr2044 Cypress Semiconductor Corporation., cy8cmbr2044 Datasheet - Page 19

• Manufacturer Part Number: cy8cmbr2044
• Description: Capacitive Button Controllers
• Manufacturer: Cypress Semiconductor Corporation.

Electrical Specifications
Absolute Maximum Ratings
Operating Temperature
DC Electrical Characteristics
DC Chip Level Specifications
1. When V
2. If you power down the device, make sure that V
3. For proper CapSense block functionality, if the drop in V
Document Number: 001-57451 Rev. *C
T
V
V
I
ESD
LU
T
T
V
I
I
I
I
I
I
I
Parameter
Parameter
Parameter
MIG
DD
DA
DS
AV1
AV2
AV3
AV4
A
STG
DD
IO
J
DD
than 1 V/500 µs. This helps to avoid triggering POR. The only other restriction on slew rates for any other voltage range or transition is the SR
between 1.8 V and 5.5 V.
[1, 2, 3]
DD
remains in the range from 1.75 V to 1.9 V for more than 50 µs, the slew rate when moving from the 1.75 V to 1.9 V range to greater than 2 V must be slower
Storage temperature
Supply voltage relative to V
DC voltage on CapSense inputs and
digital output pins
Maximum current into any GPO
output pin
Electro static discharge voltage
Latch up current
Ambient temperature
Operational die temperature
Supply voltage
Supply current
Active current
Deep sleep current
Average current
Average current
Average current
Average current
Description
Description
Description
DD
SS
falls below 100 mV before powering back up.
DD
exceeds 5% of the base V
V
SS
2000
1.71
–0.5
Min
Min
–40
–40
Min
–55
–25
–
–
–
–
–
–
–
–
– 0.5
2.88
2.88
Typ
Typ
Typ
0.1
1.6
25
40
63
–
–
–
–
–
–
–
–
1
V
DD
DD
+100
+125
Max
Max
Max
+6.0
, the rate at which V
+85
+50
200
5.5
4.0
4.0
0.5
–
–
–
–
–
+ 0.5
Unit
Unit
Unit
mA
mA
mA
mA
mA
mA
µA
µA
µA
°C
°C
°C
V
V
V
V
DD
Conditions are V
Conditions are V
continuous sensor scan
Conditions are V
Conditions are V
4 – buttons used, 0% touch time, C
sensors<19 pF and scan rate = 530 ms
Conditions are V
4 – buttons used, 0% touch time, C
sensors>19 pF and scan rate = 530 ms
Conditions are V
4 – buttons used, 100% touch time, C
sensors<19 pF and scan rate = 20 ms
Conditions are V
4 – buttons used, 100% touch time, C
sensors>19 pF and <40 pF, 
scan rate = 20 ms
Higher storage temperatures reduce data
retention time. Recommended storage
temperature is +25 °C ± 25 °C. Extended
duration storage temperatures above 85 °C
degrades reliability.
Human body model ESD
In accordance with JESD78 standard
drops should not exceed 200 mV/s. Base V
DD
DD
DD
DD
DD
DD
DD
CY8CMBR2044
Notes
Notes
Notes
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
POWER_UP
Page 19 of 26
A
A
A
A
A
A
A
= 25 °C
= 25 °C,
= 25 °C
= 25 °C, 
= 25 °C,
= 25 °C,
= 25 °C,
parameter.
P
P
DD
P
P
of all
of all
can be
of all
of all
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