ST70135A

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ELECTRICAL SPECIFICATIONS

Generic DC Electrical Characteristics

The values presented in the following table apply for all inputs and/or outputs unless otherwise specified.

Specifically they are not influenced by the choice between CMOS or TTL levels. All voltages are

IO Buffers Generic DC Characteristics

Input / Output CMOS Generic Characteristics

The values presented in the following table apply for all CMOS inputs and/or outputs unless otherwise specified.

CMOS IO Buffers Generic Characteristics

*Note The reference current is dependent on the exact buffer chosen and is a part of the buffer name. The available values are 2, 4 and 8mA.

Input/ Output TTL Generic Characteristics

The values presented in the following table apply for all TTL inputs and/or outputs unless otherwise

specified.

*Note The reference current is dependent on the exact buffer chosen and is a part of the buffer name. The available values are 2, 4 and 8mA.

Symbol

Parameter

Test Condition

Minimu m

Typical

Maximum

Unit

Input Leakage Current

pull up /pull down

-1

1

Tristate Leakage Current

pull up /pull down

-1

1

Pull up Current

-25

-66

-125

mA

Pull Down Current

25

66

125

mA

Pull up Resistance

50

K

Ω

Pull Down Resistance

50

K

Ω

Symbol

Parameter

Test Condition

Minimum

Typical

Maximum

Unit

Low Level Input Voltage

V

High Level Input Voltage

V

Schmitt trigger hysteresis

Slow edge < 1V/

µs,

only for SCHMITx

0.8

V

Low Level Output Voltage

0.4

V

High Level Output Voltage

V

Symbol

Parameter

Test Conditio n

Minimum

Typical

Maximum

Unit

Low Level Input Voltage

0.8

V

High Level Input Voltage

2.0

V

Low Level Threshold, falling

Slow edge < 1V/

µs

0.9

1.35

V

High Level Threshold, rising

Slow edge < 1V/

µs

1.3

1.9

V

Schmitt Trigger Hysteresis

Slow edge < 1V/

µs

0.4

0.7

V

Low Level Output Voltage

0.4

V

High Level Output Voltage

2.4

V