參數(shù)資料
型號: ADSP-2184N
廠商: Analog Devices, Inc.
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: DSP微機
文件頁數(shù): 21/48頁
文件大?。?/td> 1571K
代理商: ADSP-2184N
–21–
REV. 0
ADSP-218xN Series
SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Parameter
1
K Grade (Commercial)
B Grade (Industrial)
Unit
Min
Max
Min
Max
V
DDINT
V
DDEXT
V
INPUT
2
T
AMB
1.71
1.71
V
IL
= – 0.3
0
1.89
3.6
V
IH
= + 3.6
70
1.8
1.8
V
IL
= – 0.3
–40
2.0
3.6
V
IH
= + 3.6
+85
V
V
V
°
C
1
Specifications subject to change without notice.
2
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–D0, RFS0, RFS1, SCLK0, SCLK1,
TFS0, TFS1, A13–A1, PF7–PF0) and input-only pins (CLKIN, RESET, BR, DR0, DR1, PWD).
ELECTRICAL CHARACTERISTICS
Parameter
1
V
IH
Description
Hi-Level Input Voltage
2,
3
Test Conditions
@ 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
= – 0.5 mA
@ V
DDEXT
= 2.1 to 2.9 V, I
OH
= – 0.5 mA
@ V
DDEXT
= 3.0 to 3.6 V, I
OH
= – 0.5 mA
@ V
DDEXT
= 1.71 to 3.6 V,
I
OH
= – 100
μ
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
°
C
@ V
DDINT
= 1.8 V,
t
CK
= 12.5 ns
11
,
T
AMB
= 25
°
C
Min
1.25
Typ
Max
Unit
V
V
IL
Lo-Level Input Voltage
2,
3
0.6
0.7
V
V
V
OH
Hi-Level Output Voltage
2,
4,
5
1.35
2.0
2.4
V
DDEXT
– 0.3
V
V
V
V
V
OL
Lo-Level Output Voltage
2,
4,
5
0.4
V
I
IH
Hi-Level Input Current
3
10
μ
A
I
IL
Lo-Level Input Current
3
10
μ
A
I
OZH
Three-State Leakage
Current
7
Three-State Leakage
Current
7
Supply Current (Idle)
9
10
μ
A
I
OZL
10
μ
A
I
DD
6
mA
I
DD
Supply Current (Dynamic)
10
25
mA
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