ADSP-21990BST Analog Devices Inc, ADSP-21990BST Datasheet - Page 21

• Manufacturer Part Number: ADSP-21990BST
• Description: IC DSP CONTROLLER 16BIT 176LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-21990BST

• Rohs Status: RoHS non-compliant
• Interface: SPI, SSP
• Clock Rate: 160MHz
• Non-volatile Memory: External
• On-chip Ram: 20kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP

ELECTRICAL CHARACTERISTICS—ADSP-21990BST
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.
IH
IH
IH
IL
IL
IL
OZH
OZL
DD-PEAK
DD-TYP
DD-IDLE
DD-STOPCLK
DD-STOPALL
DD-PDOWN
AVDD
AVDD-ADCOFF
for the ADSP-21990BST. I
power supply is very much dependent on the particular connection of the device in the final system.
DD-PEAK
applications are less than specified. Measured at V
DD-PDOWN
AVDD
IH
IH
IL
OH
OL
I
O
DD
represents the power consumption of the analog system. Measured at AVDD = maximum.
represents worst-case processor operation and is not sustainable under normal application conditions. Actual internal power measurements made using typical
supply currents are affected by the operating frequency of the device. The guaranteed numbers are based on an assumed CCLK = 160 MHz, HCLK = 80 MHz
represents the processor operation in full power-down mode with both core and peripheral clocks disabled. Measured at V
Conditions
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
DD
refers only to the current consumption on the internal power supply lines (V
8
DDINT
13
12
4
5
6
1
2
1, 2
8, 9
8
3
3
= maximum.
7
7
8, 10
8, 11
8, 12
Rev. A | Page 21 of 50 | August 2007
Test Conditions
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
@ V
V
f
f
I
I
V
V
V
V
V
V
V
IN
IN
OH
OL
IN
IN
IN
IN
IN
IN
IN
IN
= 1 MHz
= 1 MHz
= 0 V
= 2.0 mA
DDEXT
DDEXT
DDEXT
DDEXT
= –0.5 mA
DDEXT
DDINT
= 3.6 V
DDINT
= 3.6 V
DDINT
= 3.6 V
DDINT
= 0 V
DDINT
= 0 V
DDINT
= 0 V
DDINT
= 3.6 V
DDINT
= Maximum,
= Maximum,
= Maximum,
= Maximum,
= Maximum,
= Maximum,
= Maximum,
= Maximum,
= Maximum
= Maximum
= Minimum
= Minimum,
= Minimum,
DDINT
= maximum.
DDINT
2.0
2.2
Min
2.4
). The current consumption at the I/O on the V
Typ
10
10
325
275
250
140
25
15
55
20
DDINT
Max
V
V
0.8
0.4
10
150
10
10
10
150
10
10
375
320
300
175
55
45
65
35
= maximum
DDEXT
DDEXT
ADSP-21990
Unit
V
V
V
V
V
μA
μA
μA
μA
μA
μA
μA
μA
pF
pF
mA
mA
mA
mA
mA
mA
mA
mA
DDEXT