NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 44

• Manufacturer Part Number: NS7520B-1-C36
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-C36

• 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: Lead free / RoHS Compliant

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