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| 型號： | ADSP-2185NBSTZ-320 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/48頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP CONTROLLER 16BIT 100LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ADSP-21xx |
| 類型： | 定點(diǎn) |
| 接口： | 主機(jī)接口，串行端口 |
| 時鐘速率： | 80MHz |
| 非易失內(nèi)存： | 外部 |
| 芯片上RAM： | 80kB |
| 電壓 - 輸入/輸出： | 1.8V，2.5V，3.3V |
| 電壓 - 核心： | 1.90V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP |
| 供應(yīng)商設(shè)備封裝： | 100-LQFP（14x14） |
| 包裝： | 托盤 |
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ADSP-218xN
Rev. A
|
Page 23 of 48
|
August 2006
ABSOLUTE MAXIMUM RATINGS
ESD SENSITIVITY
IDD
Supply Current (Idle)9
@ VDDINT = 1.9 V,
tCK = 12.5 ns,
TAMB = 25°C
6.5
mA
IDD
Supply Current (Dynamic)
10
@ VDDINT = 1.9 V,
tCK = 12.5 ns
11,
TAMB = 25°C
26
mA
IDD
Supply Current (Power-Down)
12
@ VDDINT = 1.8 V,
TAMB = 25°C
in Lowest Power Mode
100
μA
CI
Input Pin Capacitance3, 6
@ VIN = 1.8 V,
fIN = 1.0 MHz,
TAMB = 25°C
8pF
CO
Output Pin Capacitance
6, 7, 12, 13
@ VIN = 1.8 V,
fIN = 1.0 MHz,
TAMB = 25°C
8pF
1 Specifications subject to change without notice.
2 Bidirectional pins: D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13–1, PF7–0.
3 Input only pins: CLKIN, RESET, BR, DR0, DR1, PWD.
4 Output pins: BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–FL0, BGH.
5 Although specified for TTL outputs, all ADSP-218xN outputs are CMOS-compatible and will drive to VDDEXT and GND, assuming no dc loads.
6 Guaranteed but not tested.
7 Three-statable pins: A13–A1, D23–D0, PMS, DMS, BMS, IOMS, CMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RFS1, PF7–PF0.
8 0 V on BR.
9 Idle refers to ADSP-218xN state of operation during execution of IDLE instruction. Deasserted pins are driven to either V
DD or GND.
10DD measurement taken with all instructions executing from internal memory. 50% of the instructions are multifunction (Types 1, 4, 5, 12, 13, 14), 30% are Type 2 and Type
6, and 20% are idle instructions.
11VIN = 0 V and 3 V. For typical values for supply currents, refer to Power Dissipation section.
12See ADSP-218x DSP Hardware Reference for details.
13Output pin capacitance is the capacitive load for any three-stated output pin.
Parameter
1
Description
Test Conditions
Min
Typ
Max
Unit
Parameter
Rating
Internal Supply Voltage (VDDINT)
1
1 Stresses greater than those listed above may cause permanent damage to the
device. These are stress ratings only. Functional operation of the device at these
or any other conditions greater than those indicated in the operational sections
of this specification is not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability.
– 0.3 V to +2.2 V
External Supply Voltage (VDDEXT)–0.3 V to +4.0 V
Input Voltage2
2 Applies to Bidirectional pins (D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1,
A13–1, PF7–0) and Input only pins (CLKIN, RESET, BR, DR0, DR1, PWD).
– 0.5 V to +4.0 V
Output Voltage Swing
3
3 Applies to Output pins (BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK,
A0, DT0, DT1, CLKOUT, FL2–0, BGH).
–0.5 V to VDDEXT +0.5 V
Operating Temperature Range
– 40°C to +85°C
Storage Temperature Range
– 65°C to +150°C
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADSP-218xN features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
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