ADSP-218xN Series
SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
K Grade (Commercial)
Parameter
1
Min
Max
Min
B Grade (Industrial)
Max
Unit
V
DDINT
V
DDEXT
V
INPUT
2
T
AMB
1
Specifications
2
1.71
1.71
V
IL
= 鈥?0.3
0
1.89
3.6
V
IH
= + 3.6
70
1.8
1.8
V
IL
= 鈥?0.3
鈥?0
2.0
3.6
V
IH
= + 3.6
+85
V
V
V
掳C
subject to change without notice.
The ADSP-218xN is 3.3 V tolerant (always accepts up to 3.6 V max V
IH
), but voltage compliance (on outputs, V
OH
) depends on the input V
DDEXT
,
because V
OH
(max) approximately equals V
DDEXT
(max). This 3.3 V tolerance applies to bidirectional pins (D23鈥揇0, RFS0, RFS1, SCLK0, SCLK1,
TFS0, TFS1, A13 鈥揂 1, PF7鈥揚F0) and input-only pins (CLKIN, RESET, BR, DR0, DR1, PWD).
ELECTRICAL CHARACTERISTICS
Parameter
1
Description
Test Conditions
Min
Typ
Max
Unit
V
IH
Hi-Level Input Voltage
2, 3
V
IL
Lo-Level Input Voltage
2, 3
V
OH
Hi-Level Output Voltage
2, 4, 5
V
OL
I
IH
I
IL
I
OZH
I
OZL
I
DD
Lo-Level Output Voltage
2, 4, 5
Hi-Level Input Current
3
Lo-Level Input Current
3
Three-State Leakage
Current
7
Three-State Leakage
Current
7
Supply Current (Idle)
9
I
DD
Supply Current (Dynamic)
10
@ V
DDEXT
= 1.71 to 2.0 V,
V
DDINT
= max
@ V
DDEXT
= 2.1 to 3.6 V,
V
DDINT
= max
@ V
DDEXT
2.0 V,
V
DDINT
= min
@ V
DDEXT
2.0 V,
V
DDINT
= min
@ V
DDEXT
= 1.71 to 2.0 V,
I
OH
= 鈥?0.5 mA
@ V
DDEXT
= 2.1 to 2.9 V, I
OH
= 鈥?0.5 mA
@ V
DDEXT
= 3.0 to 3.6 V, I
OH
= 鈥?0.5 mA
@ V
DDEXT
= 1.71 to 3.6 V,
I
OH
= 鈥?100
碌A
6
@ V
DDEXT
= 1.71 to 3.6 V,
I
OL
= 2.0 mA
@ V
DDINT
= max,
V
IN
= 3.6 V
@ V
DDINT
= max,
V
IN
= 0 V
@ V
DDEXT
= max,
V
IN
= 3.6 V
8
@ V
DDEXT
= max,
V
IN
= 0 V
8
@ V
DDINT
= 1.8 V,
t
CK
= 12.5 ns,
T
AMB
= 25掳C
@ V
DDINT
= 1.8 V,
t
CK
= 12.5 ns
11
,
T
AMB
= 25掳C
1.25
V
0.6
0.7
1.35
2.0
2.4
V
DDEXT
鈥?0.3
0.4
10
10
10
10
6
V
V
V
V
V
V
V
碌A
碌A
碌A
碌A
mA
25
mA
REV. 0
鈥?1鈥?/div>
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