TIR2000 datasheet(54/63 Pages) TI

54 / 63 page

5–2

Standard voltage

MIN

NOM

MAX

UNIT

Supply voltage, VCC

4.75

5.25

Input voltage, VI

VCC

High–level input voltage, VIH

0.7 VCC

Low–level input voltage, VIL

2 VCC

Output voltage, VO (see Note 2)

VCC

IOH = –12 mA, See Note 4

VCC – 0.8

High-level output current, VOH

IOH = –4 mA, See Note 5

VCC – 0.8

IOH = –2 mA, See Note 6

VCC – 0.8

IOL = 12 mA, See Note 4

0.5

Low-level output current, VOL

IOL = 4 mA, See Note 5

0.5

IOL = 2 mA, See Note 6

0.5

Input capacitance

Operating free-air temperature, TA

°C

Virtual junction temperature range, TJ (see Note 3)

°C

Oscillator/Clock speed

MHz

Clock duty cycle

Jitter specification

±100

ppm

ICC at FIR mode

NOTES:

2. Applies for external output buffers.

3. These junction temperatures reflect simulated conditions. Absolute maximum junction temperature is

150

°C. The customer is responsible for verifying junction temperature.

4. These parameters apply for D7–D0, IRQ3–IRQ15, DRQ0, DRQ1 and DRQ3.

5. These parameters apply for GPIO0–GPIO7, XSOUT, XRTS, XDTR, XIR–TXD.

6. These parameters apply for XOUT.

5.3

System Timings

SYMBOL

PARAMETER

MIN

MAX

UNIT

t(AR)

Valid address to read active

t(AW)

Valid address to write active

t(DH)

Data hold

t(DS)

Data setup

t(RA)

Address hold from inactive read

t(RD)

Read pulse width

t(RDH)

Read data hold

t(RVD)

Active read to valid data

t(WA)

Address hold from inactive write

t(WR)

Write pulse width

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