ADP5589 Analog Devices, ADP5589 Datasheet - Page 4

• Manufacturer Part Number: ADP5589
• Description: Keypad Decoder and I/O Expansion
• Manufacturer: Analog Devices

Specifications of ADP5589

• Vin Range: 1.8 to 3.0V
• Number Of I/os: 19
• Application: Mobil I-0 Exp-Keybd Cont,Mobil I-O Expander
• Qwerty Keypad: Yes
• Other Functions: I2C I/O & register
• Function Flag: Mobil I-O
• Package: 24-Lead LFCSP,25-Ball WLCSP

ADP5589
Parameter
1
2
3
4
5
6
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). Typical values are at T
Maximum of five GPIOs active simultaneously.
All GPIOs active simultaneously.
Guaranteed by design.
All timers are referenced from the base oscillator and have the same ±10% accuracy.
C
B
Hold Time for Start/Repeated Start
Bus Free Time for Stop and Start Condition
Setup Time for Stop Condition
Data Valid Time
Data Valid Acknowledge
Rise Time for SCL and SDA
Fall Time for SCL and SDA
Pulse Width of Suppressed Spike
Capacitive Load for Each Bus Line
is the total capacitance of one bus line in picofarads.
V
V
IL
IH
= 0.3VDD
= 0.7VDD
SDA
SDA
SCL
SCL
t
SU; STA
70%
30%
S
t
F
t
F
FIRST CLOCK CYCLE
70%
30%
Sr
t
HD; STA
1/
t
R
t
f
HD; DAT
SCL
t
HD; STA
70%
30%
70%
30%
t
SP
t
Figure 2. I
SU; DAT
Symbol
t
t
t
t
t
t
t
t
C
HD; STA
BUF
SU; STO
VD; DAT
VD; ACK
R
F
SP
B
6
Rev. A | Page 4 of 48
2
C Interface Timing Diagram
t
R
70%
30%
70%
30%
Test Conditions/Comments
t
NINTH CLOCK
t
VD; ACK
LOW
t
SU; STO
t
HIGH
70%
30%
t
VD; DAT
P
t
BUF
Min
0.26
0.5
0.26
0
S
NINTH CLOCK
A
= 25°C, VDD = 1.8 V.
Typ
0.45
0.45
120
120
50
550
Max
Unit
μs
μs
μs
μs
μs
ns
ns
ns
pF