AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 158

• Manufacturer Part Number: AT89C5131A-RDTIM
• Description: C5131A 32K FLASH USB VQFP64 IND, 5V
• Manufacturer: Atmel

USB DC Parameters
156
AT89C5131
Symbol
V
V
V
V
V
V
REF
IHZ
OH
OL
IH
IL
Parameter
USB Reference Voltage
Input High Voltage for D+ and D- (Driven)
Input High Voltage for D+ and D- (Floating)
Input Low Voltage for D+ and D-
Output High Voltage for D+ and D-
Output Low Voltage for D+ and D-
1 - V
2 - D -
3 - D +
4 - GND
Receptacle
USB “B”
BUS
4
3
R = 1.5 kΩ
R
pad
= 27Ω
2
1
R
Rpad
Rpad
Min
3.0
2.0
2.7
2.8
0.0
V
D +
D -
REF
Typ
Max
4136C–USB–04/05
3.6
3.6
0.8
3.6
0.3
Unit
V
V
V
V
V
V