Owner's manual

16 ©Copyright 2005 Cirrus Logic, Inc. DS651UM23
Version 2.3
CobraNet Hardware User’s Manual
Pinout and Signal Descriptions
4.3 Characteristics and Specifications
4.3.1 Absolute Maximum Ratings
Caution: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is
not guaranteed at these extremes.
4.3.2 Recommended Operating Conditions
4.3.3 Digital DC Characteristics
(measurements performed under static conditions.)
4.3.4 Power Supply Characteristics
(measurements performed under operating conditions))
NOTES:1. Dependent on application firmware and DSP clock speed.
Parameter Symbol Min Max Unit
DC power supplies: Core supply
PLL supply
I/O supply
|VDDA – VDD|
VDD
VDDA
VDDIO
–0.3
–0.3
–0.3
-
2.0
2.0
5.0
0.3
V
V
V
V
Input current, any pin except supplies I
in
-+/- 10mA
Input voltage on FILT1, FILT2 V
filt
2.0 V
Input voltage on I/O pins V
inio
-5.0V
Storage temperature T
stg
–65 150 °C
Parameter Symbol Min Typ Max Unit
DC power supplies: Core supply
PLL supply
I/O supply
|VDDA – VDD|
VDD
VDDA
VDDIO
1.71
1.71
3.13
1.8
1.8
3.3
1.89
1.89
3.46
0.3
V
V
V
V
Ambient operating temperature
- CQ
- DQ
T
A
0
- 40
-
+ 70
+ 85
°C
Parameter Symbol Min Typ Max Unit
High-level input voltage V
IH
2.0 - - V
Low-level input voltage, except XTI V
IL
--0.8V
Low-level input voltage, XTI V
ILXTI
--0.6V
Input Hysteresis V
hys
0.3 V
High-level output voltage at
I
O
= –8.0 mA
O
= –16.0 mA
V
OH
VDDIO * 0.9 - - V
Low-level output voltage at
I
O
= 8.0 mA
O
= –16.0 mA
V
OL
--VDDIO * 0.1V
Input leakage current (all pins without internal pull-
up resistors except XTI)
I
IN
--5µA
Input leakage current (pins with internal pull-up
resistors, XTI)
I
IN-PU
--50µA
Parameter Min Typ Max Unit
Power supply current:
Core and I/O operating: VDD (Note 1)
PLL operating: VDDA
With external memory and most ports operating: VDDIO
-
-
-
500
10
120
-
-
-
mA
mA
mA