XRT4000 查看數據表（PDF） - Exar Corporation

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产品描述 (功能)

比赛名单

XRT4000

Universal Multiprotocol Serial Interface

Exar Corporation 

XRT4000

ELECTRICAL CHARCTERISTICS (CONT’D)

Test Conditions: VDD = 5V, VSS = -6V, VPP = 12V (all ± 5%), TA = 25°C

Symbol Parameter

Min Typ Max Units Conditions

Logic Inputs and Outputs

VIH

Logic Input High

2

V

Voltage

VIL

Logic Input Low

Voltage

0.8

V

IIN

Logic Input

Current

±250 µA With 20kΩ internal pull-up/down resistor

VOH

Output High

Voltage

3

4.5

V IO = -4mA

VOL

Output Low

Voltage

0.3 0.8

V IO = 4mA

IOSR

Output Short-

-60

Circuit Current

60

mA 0V ≤ VO ≤ VDD

IOZR

Three-State

Output Current

0

±1

µA M0 = Ml = M2 = VDD 0V ≤ VO ≤ VDD

V.11 Driver

VOD

Differential Output

5

Voltage

±2

V Open Circuit

RL = 50Ω (Figure 6)

∆VOD

Change in

Magnitude of

Differential Output

Voltage

0.2

V RL = 50Ω (Figure 6)

VOC

Common Mode

Output Voltage

3.0

V RL = 50Ω (Figure 6)

∆VOC

Change in

Magnitude of

0.2

V RL = 50Ω (Figure 6)

Common Mode

Output Voltage

ISS

Short-Circuit

Current

±150 mA VO = GND

IOZ

Output Leakage

Current

±0.01 ±100

µA -0.25V ≤ VO ≤ 0.25V, Power Off or

Driver Disabled

tr, tf

Rise or Fall Time

4

13

25

ns (Figures 7, 11)

TPLH

Input to Output

50

70

110

ns (Figures 7, 11)

TPHL

Input to Output

50

70

110

ns (Figures 7, 11)

∆t

Inp. to Out.

0

5

15

ns (Figures 7, 11)

Difference, |TPLH

- TPHL|

TSKEW

Output to Output

5

Skew

ns (Figures 7, 11)

Note 1: Absolute Maximum Ratings are those beyond which the safety of a device may be impaired.

Note 2: All currents into device pins are positive; all currents out of device are negative. All voltages are

referenced to device ground unless otherwise specified.

Rev. 1.00

- 11 -

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