Datasheet

Rev. G | Page 14 of 48 | December 2012
ADSP-21261/ADSP-21262/ADSP-21266
PRODUCT SPECIFICATIONS
OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
Parameter
1
1
Specifications subject to change without notice.
Description Min Max Unit
V
DDINT
Internal (Core) Supply Voltage 1.14 1.26 V
A
VDD
Analog (PLL) Supply Voltage 1.14 1.26 V
V
DDEXT
External (I/O) Supply Voltage 3.13 3.47 V
V
IH
High Level Input Voltage
2
@ V
DDEXT
= Max
2
Applies to input and bidirectional pins: AD15–0, FLAG3–0, DAI_Px, SPICLK, MOSI, MISO, SPIDS, BOOT_CFGx, CLK_CFGx, RESET, TCK, TMS, TDI, TRST.
2.0 V
DDEXT
+ 0.5 V
V
IL
Low Level Input Voltage
2
@ V
DDEXT
= Min –0.5 +0.8 V
V
IH _ CLKIN
High Level Input Voltage
3
@ V
DDEXT
= Max
3
Applies to input pin CLKIN.
1.74 V
DDEXT
+ 0.5 V
V
IL _ CLKIN
Low Level Input Voltage @ V
DDEXT
= Min –0.5 +1.19 V
T
AMB
K Grade Ambient Operating Temperature
4, 5
4
See Thermal Characteristics on Page 38 for information on thermal specifications.
5
See Engineer-to-Engineer Note (No. EE-216) for further information.
0+70C
T
AMB
B Grade Ambient Operating Temperature
4, 5
–40 +85 C
Parameter
1
Description Test Conditions Min Max Unit
V
OH
High Level Output Voltage
2
@ V
DDEXT
= Min, I
OH
= –1.0 mA
3
2.4 V
V
OL
Low Level Output Voltage
2
@ V
DDEXT
= Min, I
OL
= 1.0 mA
3
0.4 V
I
IH
High Level Input Current
4, 5
@ V
DDEXT
= Max, V
IN
= V
DDEXT
Max 10 μA
I
IL
Low Level Input Current
4
@ V
DDEXT
= Max, V
IN
= 0 V 10 μA
I
ILPU
Low Level Input Current Pull-Up
5
@ V
DDEXT
= Max, V
IN
= 0 V 200 μA
I
OZH
Three-State Leakage Current
6, 7, 8
@ V
DDEXT
= Max, V
IN
= V
DDEXT
Max 10 μA
I
OZL
Three-State Leakage Current
6
@ V
DDEXT
= Max, V
IN
= 0 V 10 μA
I
OZLPU
Three-State Leakage Current Pull-Up
7
@ V
DDEXT
= Max, V
IN
= 0 V 200 μA
I
DD - INTYP
Supply Current (Internal)
9, 10, 11
t
CCLK
= 5.0 ns, V
DDINT
= 1.2 V, T
AMB
= +25C 500 mA
I
AVDD
Supply Current (Analog)
11
A
VDD
= Max 10 mA
C
IN
Input Capacitance
12, 13
f
IN
= 1 MHz, T
CASE
= 25°C, V
IN
= 1.2 V 4.7 pF
1
Specifications subject to change without notice.
2
Applies to output and bidirectional pins: AD15–0, RD, WR, ALE, FLAG3–0, DAI_Px, SPICLK, MOSI, MISO, EMU, TDO, CLKOUT, XTAL.
3
See Output Drive Currents on Page 37 for typical drive current capabilities.
4
Applies to input pins: SPIDS, BOOT_CFGx, CLK_CFGx, TCK, RESET, CLKIN.
5
Applies to input pins with 22.5 k internal pull-ups: TRST, TMS, TDI.
6
Applies to three-statable pins: FLAG3–0.
7
Applies to three-statable pins with 22.5 k pull-ups: AD15–0, DAI_Px, SPICLK, MISO, MOSI.
8
Applies to open-drain output pins: EMU, MISO, MOSI.
9
Typical internal current data reflects nominal operating conditions.
10
See Engineer-to-Engineer Note (EE-216) for further information.
11
Characterized, but not tested.
12
Applies to all signal pins.
13
Guaranteed, but not tested.