NS7520B-1-C55 Digi International, NS7520B-1-C55 Datasheet - Page 57
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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
fp_refresh_cycles
Fast page refresh (RCYC = 00)
Fast page refresh (RCYC = 01)
RAS[4:0]*
RAS[4:0]*
CAS3*
CAS2*
CAS1*
CAS0*
CAS3*
CAS2*
CAS1*
CAS0*
BCLK
BCLK
WE*
WE*
27
43
43
43
43
12
RF1
27
43
43
43
43
12
RF1
RF2
RF2
43
43
43
43
RF3
43
43
43
43
RF3
F
t P
27
RF4
27
RF4
R f
RF5
h (RCYC
RF5
RF6
01)
RF6
RF7
w w w . d i g i . c o m
RF8
RF8
12
12
T1
T1
F P D R A M t i m i n g
5 3