AT43USB320A-AC Atmel, AT43USB320A-AC Datasheet - Page 108

• Manufacturer Part Number: AT43USB320A-AC
• Description: IC USB MCU EMBED HUB AVR 100LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB320A-AC

• Applications: USB Hub/Microcontroller
• Core Processor: AVR
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: SPI Serial, USB, UART
• Number Of I /o: 32
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Type: -

Table 40. External Program Memory Read Timing
108
Symbol
t
t
t
t
ACC
CEN
DF
OH
AT43USB320A
Parameter
Address to Output Delay
CEN to Output Delay
CEN to Output Float
Output Hold from CEN or Address, whichever occurred first
Figure 30. External Program Memory Read Timing Diagram
ADDRESS
OUTPUT
CE
HIGHZ
ADDRESS VALID
Condition
t
ACC
t
CE
OUTPUT
VALID
t
OH
Min
t
DF
0
0
Max
55
55
1443E–USB–4/04
Unit
ns
ns
ns
ns