adsp-21991 Analog Devices, Inc., adsp-21991 Datasheet - Page 18

• Manufacturer Part Number: adsp-21991
• Description: Mixed Signal Dsp Controller
• Manufacturer: Analog Devices, Inc.

ADSP-21991
ELECTRICAL CHARACTERISTICS—ADSP-21991BBC
1
2
3
4
5
6
7
8
9
10
11
12
13
Parameter
V
V
V
V
V
I
I
I
I
I
I
I
I
C
C
I
I
I
I
I
I
I
I
Applies to all input and bidirectional pins.
Applies to input pins CLKIN, RESET, TRST.
Applies to all output and bidirectional pins.
Applies to all input only pins.
Applies to input pins with internal pull-down.
Applies to input pins with internal pull-up.
Applies to three-stateable pins.
The I
I
IDLE denotes the current consumption during execution of the IDLE instruction. Measured at V
I
I
The 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.
HCLK = 75 MHz for the ADSP-21991BBC. I
consumption at the I/O on the V
DD-PEAK
using typical applications are less than specified. Measured at V
IH
IH
IH
IL
IL
IL
OZH
OZL
DD-PEAK
DD-TYP
DD-IDLE
DD-STOPCLK
DD-STOPALL
DD-PDOWN
AVDD
AVDD-ADCOFF
DD-PDOWN
AVDD
IH
IH
IL
OH
OL
I
O
DD
represents the power consumption of the analog system. Measured at AVDD = maximum.
supply currents are affected by the operating frequency of the device. The guaranteed numbers are based on an assumed CCLK = 150 MHz,
represents worst-case processor operation and is not sustainable under normal application conditions. Actual internal power measurements made
represents the processor operation in full power-down mode with both core and peripheral clocks disabled. Measured at V
High Level Input Voltage
High Level Input Voltage
High Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
High Level Input Current
High Level Input Current
High Level Input Current
Low Level Input Current
Low Level Input Current
Low Level Input Current
Three-State Leakage Current
Three-State Leakage Current
Input Pin Capacitance
Output Pin Capacitance
Supply Current (Internal)
Supply Current (Internal)
Supply Current (Idle)
Supply Current (Power-Down)
Supply Current (Power-Down)
Supply Current (Power-Down)
Analog Supply Current
Analog Supply Current
DDEXT
power supply is very much dependent on the particular connection of the device in the final system.
DD
8
13
12
refers only to the current consumption on the internal power supply lines (V
1
2
1, 2
4
5
6
8, 9
8
3
3
7
7
8, 10
8, 11
8, 12
DDINT
Test Conditions
@ V
@ V
@ V
@ V
I
@ V
I
@ V
V
@ V
V
@ V
V
@ V
V
@ V
V
@ V
V
@ V
V
@ V
V
f
f
IN
IN
OH
OL
= maximum.
IN
IN
IN
IN
IN
IN
IN
IN
–18–
= 1 MHz
= 1 MHz
= 2.0 mA
= –0.5 mA
= 3.6 V
= 3.6 V
= 3.6 V
= 0 V
= 0 V
= 0 V
= 3.6 V
= 0 V
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
= maximum,
= maximum,
= maximum,
= maximum,
= maximum,
= maximum,
= maximum,
= maximum,
= maximum
= maximum
= minimum
= minimum,
= minimum,
DDINT
Min
2.0
2.2
2.4
= maximum.
Typ
10
10
190
155
145
60
12
6
46
5
Max
V
V
0.8
0.4
10
150
10
10
10
150
10
10
325
275
250
125
40
30
65
15
DDINT
DDEXT
DDEXT
DDINT
). The current
= maximum.
Unit
V
V
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
pF
pF
mA
mA
mA
mA
mA
mA
mA
mA
REV. 0