TMS77C82 datasheet(46/59 Pages) TI

46 / 59 page

TMS370Cx7x

8-BIT MICROCONTROLLER

SPNS034C – SEPTEMBER 1995 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOL

Low-level output voltage

IOL = 1.4 mA

0.4

VOH

High level output voltage

IOH = – 50 µA

0.9 VCC1

VOH

High-level output voltage

IOH = – 2 mA

2.4

0 V < VI ≤ 0.3 V

0.3 V < VI < VCC1–0.3 V

µA

Input current

VCC1–0.3 V ≤ VI ≤ VCC1+0.3 V

µA

Input current

VCC1 + 0.3 V < VI ≤ 13 V

650

12 V

≤ VI ≤ 13 V

See Note 4

I / O pins

0 V

≤ VI ≤ VCC1

± 10

µA

IOL

Low-level output current

VOL = 0.4 V

1.4

IOH

High level output current

VOH = 0.9 VCC1

– 50

µA

IOH

High-level output current

VOH = 2.4 V

– 2

SYSCLK = 5 MHz

See Notes 5 and 6

Supply current (operating mode)

SYSCLK = 3 MHz

)

OSC POWER bit = 0 (see Note 7)

See Notes 5 and 6

SYSCLK = 0.5 MHz

See Notes 5 and 6

SYSCLK = 5 MHz

See Notes 5 and 6

ICC

Supply current (STANDBY mode)

OSC POWER bit = 0 (see Note 8)

SYSCLK = 3 MHz

See Notes 5 and 6

SYSCLK = 0.5 MHz

See Notes 5 and 6

2.5

3.5

Supply current (STANDBY mode)

SYSCLK = 3 MHz

See Notes 5 and 6

8.6

)

OSC POWER bit = 1 (see Note 9)

SYSCLK = 0.5 MHz

See Notes 5 and 6

Supply current (HALT mode)

XTAL2 / CLKIN < 0.2 V

See Note 5

µA

NOTES:

4. Input current IPP is a maximum of 50 mA only when programming EPROM.

5. In single chip mode, ports are configured as inputs or outputs with no load. All inputs

≤ 0.2 V or ≥ VCC1 – 0.2V.

6. XTAL2/CLKIN is driven with an external square wave signal with 50% duty cycle and rise and fall times less than 10 ns. Current

can be higher with a crystal oscillator. At 5 MHz SYSCLK, this extra current = 0.01 mA x (total load capacitance + crystal capacitance

in pF).

7. Maximum operating current for TMS370Cx7x = 10 (SYSCLK) + 5.8 mA.

8. Maximum standby current for TMS370Cx7x = 3 (SYSCLK) + 2 mA. (OSC POWER bit = 0).

9. Maximum standby current for TMS370Cx7x = 2.24 (SYSCLK) + 1.9 mA. (OSC POWER bit =1, only valid up to 3 MHz SYSCLK).

TMS77C82 Datasheet(PDF) 46 Page - Texas Instruments

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