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