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| 型號(hào)： | ADSP-21991BSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 11/44頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP CONTROLLER 16BIT 176-LQFP |
| 產(chǎn)品變化通告： | Product Discontinuance 27/Oct/2011 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ADSP-21xx |
| 類(lèi)型： | 定點(diǎn) |
| 接口： | SPI，SSP |
| 時(shí)鐘速率： | 160MHz |
| 非易失內(nèi)存： | 外部 |
| 芯片上RAM： | 112kB |
| 電壓 - 輸入/輸出： | 3.30V |
| 電壓 - 核心： | 2.50V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 176-LQFP |
| 供應(yīng)商設(shè)備封裝： | 176-LQFP（24x24） |
| 包裝： | 托盤(pán) |
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–19–
REV. 0
ADSP-21991
ELECTRICAL CHARACTERISTICS—ADSP-21991BST
Parameter
Test Conditions
Min
Typ
Max
Unit
VIH
High Level Input Voltage
1
@ VDDEXT = maximum
2.0
VDDEXT
V
VIH
High Level Input Voltage
2
@ VDDEXT = maximum
2.2
VDDEXT
V
VIL
High Level Input Voltage
@ VDDEXT = minimum
0.8
V
VOH
High Level Output Voltage
3
@ VDDEXT = minimum,
IOH = –0.5 mA
2.4
V
VOL
Low Level Output Voltage
@ VDDEXT = minimum,
IOL = 2.0 mA
0.4
V
IIH
High Level Input Current
4
@ VDDINT = maximum,
VIN = 3.6 V
10
A
IIH
High Level Input Current
5
@ VDDINT = maximum,
VIN = 3.6 V
150
A
IIH
High Level Input Current
6
@ VDDINT = maximum,
VIN = 3.6 V
10
A
IIL
Low Level Input Current
@ VDDINT = maximum,
VIN = 0 V
10
A
IIL
Low Level Input Current
@ VDDINT = maximum,
VIN = 0 V
10
A
IIL
Low Level Input Current
@ VDDINT = maximum,
VIN = 0 V
150
A
IOZH
Three-State Leakage Current
7
@ VDDINT = maximum,
VIN = 3.6 V
10
A
IOZL
Three-State Leakage Current
@ VDDINT = maximum,
VIN = 0 V
10
A
CI
Input Pin Capacitance
fIN = 1 MHz
10
pF
CO
Output Pin Capacitance
fIN = 1 MHz
10
pF
IDD-PEAK
Supply Current (Internal)
8, 9
300
350
mA
IDD-TYP
Supply Current (Internal)
240
300
mA
IDD-IDLE
Supply Current (Idle)
225
275
mA
IDD-STOPCLK
Supply Current (Power-Down)
8, 10
90
150
mA
IDD-STOPALL
Supply Current (Power-Down)
8, 11
20
50
mA
IDD-PDOWN
Supply Current (Power-Down)
8, 12
735
mA
IAVDD
Analog Supply Current
13
49
65
mA
IAVDD-ADCOFF
Analog Supply Current
715
mA
1 Applies to all input and bidirectional pins.
2 Applies to input pins CLKIN,
RESET, TRST.
3 Applies to all output and bidirectional pins.
4 Applies to all input only pins.
5 Applies to input pins with internal pull-down.
6 Applies to input pins with internal pull-up.
7 Applies to three-stateable pins.
8 The IDD supply currents are affected by the operating frequency of the device. The guaranteed numbers are based on an assumed CCLK=160 MHz, HCLK
= 80 MHz for the ADSP-21991BST. IDD refers only to the current consumption on the internal power supply lines (VDDINT). The current consumption
at the I/O on the VDDEXT power supply is very much dependent on the particular connection of the device in the final system.
9 IDD-PEAK represents worst-case processor operation and is not sustainable under normal application conditions. Actual internal power measurements made
using typical applications are less than specified. Measured at VDDINT = maximum.
10IDLE denotes the current consumption during execution of the IDLE instruction. Measured at VDDINT = maximum.
11IDD-PDOWN represents the processor operation in full power-down mode with both core and peripheral clocks disabled. Measured at VDDINT = maximum.
12IAVDD represents the power consumption of the analog system. Measured at AVDD = maximum.
13The responsibility lies with the user to ensure that the device is operated in such a manner that the maximum allowable junction temperature is not exceeded.
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| ADSP-21992YST | 制造商:Analog Devices 功能描述: |
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