NS7520B-1-C55 Digi International, NS7520B-1-C55 Datasheet - Page 44
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NS7520B-1-C55
Manufacturer Part Number
NS7520B-1-C55
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C55
Applications
Network Processor
Core Processor
ARM7
Program Memory Type
External Program Memory
Controller Series
-
Ram Size
External
Interface
EBI/EMI, Ethernet, DMA, SPI, UART
Number Of I /o
16
Voltage - Supply
1.4 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
177-LFBGA
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
IR
Quantity:
4 954
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-C55
Manufacturer:
NETARM
Quantity:
20 000
SDRAM timing
BCLK max frequency: 55.296 MHz
Operating conditions:
SDRAM timing parameters
4 0
Temperature:
Voltage:
Output load:
Input drive:
36
6
9
13
10
11
27
30
31
37
35
34
12
S D R A M t i m i n g
Num
BCLK high to BE*/DQM* valid
BCLK high to non-muxed address valid
BCLK high to data out valid
BCLK high to data out high impedance
Data in valid to BCLK high (setup)
BCLK high to data in invalid (hold)
BCLK high to CS* valid
BCLK high to TA* valid
BCLK high to TEA* valid
BCLK high to PORTA2/AMUX valid
BCLK high to muxed address valid
BCLK high to CAS* valid
BCLK high to RW* valid
Description
-15.00 (min)
1.60 (min)
25.0pf
CMOS buffer
N S 7 5 2 0 D a t a s h e e t
110.00 (max)
1.40 (max)
5
5
3
6
Min
0 3 / 2 0 0 6
15.5
13.5
14
13
15.5
13.5
16
14
14.5
12
13.5
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit