15 k

15 k

1.5 k

22

22

7

TUSB2046B, TUSB2046BI

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SLLS413K – FEBRUARY 2000 – REVISED JANUARY 2016

Product Folder Links: TUSB2046B TUSB2046BI

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Copyright © 2000–2016, Texas Instruments Incorporated

Electrical Characteristics (continued)

over recommended ranges of operating free-air temperature and supply voltage (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

(1)

Applies for input buffers with hysteresis.

(2)

Applies for open-drain buffers.

Positive input threshold

TTL/LVCMOS

1.8

V

Single-ended

0.8 V

1.8

Negative-input threshold

TTL/LVCMOS

0.8

V

Single-ended

0.8 V

1

TTL/LVCMOS

0.3

0.7

mV

Single-ended

0.8 V

300

500

High-impedance output current

TTL/LVCMOS

(2)

±10

μA

USB data lines

0 V

±10

Low-level input current

TTL/LVCMOS

–1

μA

High-level input current

TTL/LVCMOS

1

μA

Driver output impedance

USB data lines

7.1

19.9

Ω

Differential input voltage

USB data lines

0.8 V

0.2

V

Input supply current

Normal operation

40

mA

Suspend mode

1

μA

(1)

Characterized only. Limits are approved by design and are not production tested.

7.6 Differential Driver Switching Characteristics (Full Speed Mode)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Transition rise time for DP or DM

See Figure 1 and Figure 2

4

20

ns

Transition fall time for DP or DM

See Figure 1 and Figure 2

4

20

ns

90%

110%

(1)

1.3

2.0

V

(1)

Characterized only. Limits are approved by design and are not production tested.

7.7 Differential Driver Switching Characteristics (Low Speed Mode)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

See Figure 1 and Figure 2

75

300

ns

See Figure 1 and Figure 2

75

300

ns

80%

120%

(1)

1.3

2.0

V

Figure 1. Differential Driver Switching Load