参数资料
型号: ADSP-2185NBSTZ-320
厂商: Analog Devices Inc
文件页数: 15/48页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,串行端口
时钟速率: 80MHz
非易失内存: 外部
芯片上RAM: 80kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.90V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
Rev. A
|
Page 22 of 48
|
August 2006
ADSP-218xN
SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
Parameter1
1 Specifications subject to change without notice.
K Grade (Commercial)
B Grade (Industrial)
Unit
Min
Max
Min
Max
VDDINT
1.71
1.89
1.8
2.0
V
VDDEXT
1.71
3.6
1.8
3.6
V
VINPUT
2
2 The ADSP-218xN is 3.3 V tolerant (always accepts up to 3.6 V max VIH), but voltage compliance (on outputs, VOH) depends on the input VDDEXT, because VOH (max)
approximately equals VDDEXT (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).
VIL = – 0.3
VIH = + 3.6
VIL = – 0.3
VIH = + 3.6
V
TAMB
0
70
–40
+85
°C
Parameter1
Description
Test Conditions
Min
Typ
Max
Unit
VIH
Hi-Level Input Voltage2, 3
@ VDDEXT = 1.71 V to 2.0 V,
VDDINT = max
@ VDDEXT = 2.1 V to 3.6 V,
VDDINT = max
1.25
1.7
V
VIL
Lo-Level Input Voltage2, 3
@ VDDEXT ≤ 2.0 V,
VDDINT = min
@ VDDEXT ≥ 2.0 V,
VDDINT = min
0.6
0.7
V
VOH
Hi-Level Output Voltage2, 4, 5
@ VDDEXT = 1.71 V to 2.0 V,
IOH = – 0.5 mA
@ VDDEXT = 2.1 V to 2.9 V,
IOH = – 0.5 mA
@ VDDEXT = 3.0 V to 3.6 V,
IOH = – 0.5 mA
@ VDDEXT = 1.71 V to 3.6 V,
IOH = – 100 μA
6
1.35
2.0
2.4
VDDEXT – 0.3
V
VOL
Lo-Level Output Voltage2, 4, 5
@ VDDEXT = 1.71 V to 3.6 V,
IOL = 2.0 mA
0.4
V
IIH
Hi-Level Input Current3
@ VDDINT = max,
VIN = 3.6 V
10
μA
IIL
Lo-Level Input Current
3
@ VDDINT = max,
VIN = 0 V
10
μA
IOZH
Three-State Leakage Current
7
@ VDDEXT = max,
VIN = 3.6 V
8
10
μA
IOZL
Three-State Leakage Current
7
@ VDDEXT = max,
VIN = 0 V
8
10
μA
IDD
Supply Current (Idle)9
@ VDDINT = 1.8 V,
tCK = 12.5 ns,
TAMB = 25°C
6mA
IDD
Supply Current (Dynamic)
10
@ VDDINT = 1.8 V,
tCK = 12.5 ns
11,
TAMB = 25°C
25
mA
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