ADSP-21992
Rev. A
|
Page 23 of 60
|
August 2007
ELECTRICAL CHARACTERISTICS
Table 10. Electrical Characteristics—ADSP-21992YBC
Parameter
Conditions
Test Conditions
Min
Typ
Max
Unit
VIH
High Level Input Voltage1
@ VDDEXT = Maximum
2.0
VDDEXT
V
VIH
High Level Input Voltage2
@ VDDEXT = Maximum
2.2
VDDEXT
V
VIL
@ VDDEXT = Minimum
0.8
V
VOH
High Level Output Voltage3
@ VDDEXT = Minimum,
IOH = –0.5 mA
2.4
V
VOL
Low Level Output Voltage
3@ VDDEXT = Minimum,
IOL = 2.0 mA
0.4
V
IIH
High Level Input Current4
@ VDDINT = Maximum,
VIN = 3.6 V
10
μA
IIH
High Level Input Current5
@ VDDINT = Maximum,
VIN = 3.6 V
150
μA
IIH
High Level Input Current6
@ VDDINT = Maximum,
VIN = 3.6 V
10
μA
IIL
Low Level Input Current
@ VDDINT = Maximum,
VIN = 0 V
10
μA
IIL
Low Level Input Current
@ VDDINT = Maximum,
VIN = 0 V
10
μA
IIL
Low Level Input Current
@ VDDINT = Maximum,
VIN = 0 V
150
μA
IOZH
Three-State Leakage Current7
@ VDDINT = Maximum,
VIN = 3.6 V
10
μA
IOZL
Three-State Leakage Curren
t7@ VDDINT = Maximum,
VIN = 0 V
10
μA
CI
Input Pin Capacitance
fIN = 1 MHz
10
pF
CO
Output Pin Capacitance
fIN = 1 MHz
10
pF
IDD-PEAK
Supply Current (Internal)8, 9
190
325
mA
IDD-TYP
Supply Current (Internal)
8155
275
mA
IDD-IDLE
145
250
mA
IDD-STOPCLK
Supply Current (Power-Dow
n)8, 10
60
125
mA
IDD-STOPALL
Supply Current (Power-Dow
n)8, 11
12
40
mA
IDD-PDOWN
Supply Current (Power-Dow
n)8, 12
630
mA
IAVDD
Analog Supply Current13
46
65
mA
IAVDD-ADCOFF
515
mA
1 Applies to all input and bidirectional pins.
2 Applies to input pins CLKIN, RESET, TRST.
3 Applies to all output and bidirectional pins.
4 Applies to all input only pins.
5 Applies to input pins with internal pull-down.
6 Applies to input pins with internal pull-up.
7 Applies to three-stateable pins.
8 The IDD supply currents are affected by the operating frequency of the device. The guaranteed numbers are based on an assumed CCLK = 150 MHz, HCLK = 75 MHz
for the ADSP-21992YBC. IDD refers only to the current consumption on the internal power supply lines (VDDINT). The current consumption at the I/O on the VDDEXT
power supply is very much dependent on the particular connection of the device in the final system.
9 IDD-PEAK represents worst-case processor operation and is not sustainable under normal application conditions. Actual internal power measurements made using typical
applications are less than specified. Measured at VDDINT = maximum.
10IDLE denotes the current consumption during execution of the IDLE instruction. Measured at VDDINT = maximum.
11IDD-PDOWN represents the processor operation in full power-down mode with both core and peripheral clocks disabled. Measured at VDDINT = maximum.
12IAVDD represents the power consumption of the analog system. Measured at AVDD = maximum.
13The responsibility lies with the user to ensure that the device is operated in such a manner that the maximum allowable junction temperature is not exceeded.