adsp-21478 Analog Devices, Inc., adsp-21478 Datasheet - Page 20

• Manufacturer Part Number: adsp-21478
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

ADSP-21478/ADSP-21479
ELECTRICAL CHARACTERISTICS
1
2
3
4
5
6
7
8
9
10
11
Parameter
V
V
I
I
I
I
I
I
I
C
Specifications subject to change without notice.
Applies to output and bidirectional pins: ADDR23-0, DATA15-0, AMI_RD, AMI_WR, FLAG3–0, DAI_Px, DPI_Px, EMU, TDO, RESETOUT.
See
Applies to input pins: BOOT_CFGx, CLK_CFGx, TCK, RESET, CLKIN.
Applies to input pins with internal pull-ups: TRST, TMS, TDI.
Applies to three-statable pins: TDO, MLBDAT, MLBSIG, MLBDO, and MLBSO.
Applies to three-statable pins with pull-ups: DAI_Px, DPI_Px, EMU.
Typical internal current data reflects nominal operating conditions.
See Engineer-to-Engineer Note “Estimating Power Dissipation for ADSP-2147x SHARC Processors” for further information.
IH
I
ILPU
OZH
OZL
OZLPU
DD
Applies to all signal pins.
Guaranteed, but not tested.
L
OH
OL
IN
4, 5
4
-
10, 11
6
2
INTYP
2
5
6, 7
Output Drive Currents on Page 61
7
8
,
9
1
Description
High Level Output Voltage
Low Level Output Voltage
High Level Input Current
Low Level Input Current
Low Level Input Current
Pull-up
Three-State Leakage
Current
Three-State Leakage
Current
Three-State Leakage
Current Pull-up
Supply Current (Internal)
Input Capacitance
for typical drive current capabilities.
Test Conditions
@ V
I
@ V
I
@ V
V
@ V
@ V
@ V
V
@ V
@ V
TBD
TBD
OH
OL
IN
IN
= 1.0 mA
= –1.0 mA
= V
= V
DD
DD
DD
DD
DD
DD
DD
DD
_
_
_
_
_
_
_
_
EXT
EXT
EXT
DD
EXT
EXT
EXT
DD
EXT
EXT
Rev. PrB | Page 20 of 70 | March 2010
_
_
= Min,
= Max, V
= Max, V
= Min,
= Max,
= Max, V
= Max, V
= Max,
EXT
EXT
3
Max
Max
3
IN
IN
IN
IN
= 0 V
= 0 V
= 0 V
= 0 V
Min
2.4
Preliminary Technical Data
100 MHz
Typical Max
0.4
10
–10
TBD
10
–10
TBD
TBD
TBD
Min
2.4
266 MHz
Typical Max
0.4
10
–10
TBD
10
–10
TBD
TBD
TBD
Unit
V
V
μA
μA
μA
μA
μA
μA
mA
pF