參數(shù)資料
型號(hào): NS7520B-1-I55
廠商: Digi International
文件頁(yè)數(shù): 20/68頁(yè)
文件大?。?/td> 0K
描述: IC ARM MICROPROCESSOR 177BGA
標(biāo)準(zhǔn)包裝: 160
系列: NET+ARM®
應(yīng)用: 網(wǎng)絡(luò)處理器
核心處理器: ARM7
程序存儲(chǔ)器類型: 外部程序存儲(chǔ)器
RAM 容量: 外部
接口: EBI/EMI,以太網(wǎng),DMA,SPI,UART
輸入/輸出數(shù): 16
電源電壓: 1.4 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 177-LFBGA
包裝: 托盤
供應(yīng)商設(shè)備封裝: 177-BGA(13x13)
DC cha r ac te ristics and o t h e r op era t i ng spe c ific ati ons
ww w.d i gi .c om
23
DC characteristics and other operating specifications
The NS7520 operates using an internal core VDD supply voltage of 1.5V. A 3.3VC supply is required
for the I/O cells, which drive/accept 3.3V levels.
Table 4 provides the DC characteristics for inputs; Table 5 provides the DC characteristics for
outputs.
Table 6 defines the DC operating (thermal) conditions for the NS7520. Operating the NS7520 outside
these conditions results in unpredictable behavior.
Sym
Parameter
Conditions
Min
Typ
Max
Unit
VIH
Input high voltage
2.0
3.6
V
VIL
Input low voltage
VSS – 0.3
0.8
V
Table 4: DC characteristics — Inputs
Sym
Parameter
Conditions
Min
Max
Unit
P
Power consumption
FSYSCLK = 55 MHz
Core
I/O
FSYSCLK = 46 MHz
Core
I/O
FSYSCLK = 36 MHz
Core
I/O
508
192
316
425
161
264
333
126
207
mW
VOL
Output low voltage
Outputs & bi-directional
0
0.4
V
VOH
Output high voltage
Outputs & bi-directional
2.4
VDD
V
Table 5: DC characteristics — Outputs
Sym
Parameter
Conditions
Min
Typ
Max
Unit
VDD
Core supply voltage
1.4
1.5
1.6
V
VCC
I/O supply voltage
3.0
3.3
3.6
V
TOP
Ambient temperature
-40
85
oC
TJ
Junction temperature
110
oC
TSTG
Storage temperature
-40
125
oC
θJ
Pkg thermal resistance
50
oC/W
IIH
Input threshold
No pullup
-10
10
μΑ
Table 6: Recommended operating temperatures
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