USB Flash Drive
6. DC Characteristics
Symbol | Parameter | Min. | Typical | Max. | Units | |
VDD | Supply voltage for VCC3 or VCC3A | 3.0 | 3.3 | 3.6 | V | |
|
|
|
|
|
| |
VDD18 | Regulator output voltage for VCC or | 1.62 | 1.8 | 1.98 | V | |
VCCA | ||||||
|
|
|
|
| ||
|
|
|
|
|
| |
VIL | Input Low Voltage |
| 0.8 | V | ||
|
|
|
|
|
| |
VIH | Input High Voltage | 2.0 |
|
| V | |
|
|
|
|
|
| |
VOL | Output Low Voltage (IOL=4mA) |
|
| 0.4 | V | |
|
|
|
|
|
| |
VOH | Output High Voltage (IOH=4mA) | 2.4 |
|
| V | |
|
|
|
|
|
| |
CIN | Input pin capacitance |
|
| 10 | pF | |
|
|
|
|
|
| |
IDD | Supply current |
| 50 |
| mA | |
|
|
|
|
|
| |
ISUS | Suspend current (D+1.5KΩ) |
|
| 300 | uA | |
|
|
|
|
|
|
7. Recommended Operating Conditions
Symbol |
| Parameter | Min. | Typ. |
|
|
|
|
|
VCC33 | 3.3V | Supply Voltage | 3.0 | 3.3 |
|
|
|
|
|
USBVIN | USB | 5V Supply Voltage | 4.5 | 5 |
|
|
|
| |
VCC18 | 1.8V Supply Voltage | 1.6 | 1.8 | |
|
|
|
|
|
Max.
3.6
5.5
2
Units
V
V
V
8. Pin Assignments
Pin No. | Pin Name | Function |
|
|
|
1 | VCC | USB power input |
|
|
|
2 | USB D- | USB differential signal |
|
|
|
3 | USB D+ | The pairs are used to transmit Data/Address/Command |
|
|
|
4 | VSS | Ground |
|
|
|
1 2 3 4
Rev. A.0 | 3/4 | April 2008 |