AT43USB326-AU Atmel, AT43USB326-AU Datasheet - Page 76

• Manufacturer Part Number: AT43USB326-AU
• Description: IC USB KEYBOARD CTRLR 48LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB326-AU

• Applications: Keyboard Controller
• Core Processor: AVR
• Program Memory Type: Mask ROM (16 kB)
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: USB
• Number Of I /o: 32
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical
Specification
Absolute
Maximum Ratings
DC Characteristics
76
AT43USB326
Stresses beyond those listed below may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions
beyond those indicated in the operational sections of this specification is not implied. Expo-
sure to absolute maximum rating conditions for extended periods may affect device reliability.
Table 13. Absolute Maximum Ratings
Note:
The values shown in this table are valid for TA = 0°C to 85°C, VCC = 4.4 to 5.25V, unless oth-
erwise noted.
Table 14. Power Supply
Symbol
V
VI
VO
TO
TS
Symbol
V
I
I
CC
CCS
CC5
CC
VCEXT is the voltage at CEXT1, CEXT2.
Storage temperature
Parameter
Parameter
5V Power Supply
DC input voltage
DC output voltage
Operating temperature
5V Power Supply
5V Supply Current
Suspended Device Current
Condition
Condition
-0.3V
-0.3
Min
Min
4.4
-40
-65
VCEXT+0.3
VCEXT+0.3
4.6 max
4.6 max
+125
+150
Max
5.25
Max
600
5.5
40
3313D–USB–04/06
Unit
Unit
mA
uA
°C
°C
V
V
V
V