TMS370 datasheet(57/73 Pages) TI

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TMS370Cx6x

8-BIT MICROCONTROLLER

SPNS033C – 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

0.9VCC1

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 6)

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

TMS370Cx67A

TMS370Cx68A

SYSCLK = 5 MHz

See Notes 7 and 8

Supply current

(operating mode)

TMS370Cx67A

TMS370Cx68A

SYSCLK = 3 MHz

See Notes 7 and 8

(o erating mode)

OSC POWER bit = 0

TMS370Cx69A

SYSCLK = 3 MHz

See Notes 5 and 7

(see Note 9)

TMS370Cx67A

TMS370Cx68A

SYSCLK = 0.5 MHz

See Notes 7 and 8

ICC

TMS370Cx69A

SYSCLK = 0.5 MHz

See Notes 5 and 7

Supply current (STANDBY mode)

SYSCLK = 5 MHz

See Notes 7 and 8

ly current (STANDBY mode)

OSC POWER bit = 0

SYSCLK = 3 MHz

See Notes 7 and 8

(see Note 10)

SYSCLK = 0.5 MHz

See Notes 7 and 8

2.5

3.5

Supply current (STANDBY mode)

SYSCLK = 3 MHz

See Notes 7 and 8

8.6

)

OSC POWER bit = 1 (see Note 11)

SYSCLK = 0.5 MHz

See Notes 7 and 8

Supply current (HALT mode)

XTAL2 / CLKIN < 0.2 V

See Note 7

µA

NOTES:

5. ’x69 operates up to 3 MHz SYSCLK. XTAL2/CLKIN is driven with an external square wave signal with 50% duty cycle and rise and

fall times less than 10 ns.

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

7. Single chip mode, ports configured as inputs or outputs with no load. All inputs

≤ 0.2 V or ≥ VCC1 – 0.2V.

8. 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).

9. Maximum operating current for TMS370Cx6x = 10 (SYSCLK) + 5.8 mA.

10. Maximum standby current for TMS370Cx6x = 3 (SYSCLK) + 2 mA. (OSC POWER bit = 0).

11. Maximum standby current for TMS370Cx6x = 2.24 (SYSCLK) + 1.9 mA. (OSC POWER bit = 1, only valid up to 3 MHz SYSCLK).

TMS370 Datasheet(PDF) 57 Page - Texas Instruments

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