GTL2012DP datasheet(5/14 Pages) NXP

5 / 14 page

GTL2012_1

Product data sheet

Rev. 01 — 9 August 2007

5 of 14

NXP Semiconductors

GTL2012

2-bit LVTTL to GTL transceiver

[1]

Unused inputs must be held HIGH or LOW to prevent them from ﬂoating.

[2]

VTT maximum of 3.6 V with resistor sized so IOL maximum is not exceeded.

[3]

A0, A1 VI(max) is 3.6 V if conﬁgured as outputs (DIR = L).

10. Static characteristics

[1]

All typical values are measured at VCC = 3.3 V and Tamb =25 °C.

[2]

The input and output voltage ratings my be exceeded if the input and output current ratings are observed.

[3]

This is the increase in supply current for each input that is at the speciﬁed TTL voltage level rather than VCC or GND.

IOL

LOW-level output current

B port

A port

Tamb

ambient temperature

operating in free-air

−40

+85

°C

Table 6.

Recommended operating conditions[1] …continued

Unused inputs must be held HIGH or LOW to prevent them from ﬂoating.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 7.

Static characteristics

Recommended operating conditions; voltages are referenced to GND (ground = 0 V); Tamb = −40 °Cto+85 °C.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

VOH

HIGH-level output

voltage

A port; VCC = 3.0 V to 3.6 V; IOH = −100 µA

[2] VCC − 0.2 -

A port; VCC = 3.0 V; IOH = −16 mA

[2] 2.0

VOL

LOW-level output

voltage

B port; VCC = 3.0 V; IOL =40mA

[2] -

0.23

0.4

A port; VCC = 3.0 V; IOL =8mA

[2] -

0.28

0.4

A port; VCC = 3.0 V; IOL =12mA

[2] -

0.40

0.55

A port; VCC = 3.0 V; IOL =16mA

[2] -

0.55

0.8

input current

control inputs; VCC = 3.6 V;

VI =VCC or GND

±1

µA

B port; VCC = 3.6 V; VI =VTT or GND

±1

µA

A port; VCC = 0 V or 3.6 V; VI = 5.5 V

µA

A port; VCC = 3.6 V; VI =VCC

±1

µA

A port; VCC = 3.6 V; VI =0V

−5

µA

IOZ

off-state output

current

A port; VCC =0V; VI or VO = 0 V to 3.6 V

±100

µA

ICC

supply current

A port; VCC = 3.6 V; VI =VCC or GND;

IO =0mA

B port; VCC = 3.6 V; VI =VTT or GND;

IO =0mA

∆ICC[3]

additional supply

current

per input; A port or control inputs;

VCC = 3.6 V; VI =VCC − 0.6 V

500

µA

input capacitance

control inputs; VI = 3.0 V or 0 V

2.5

Cio

input/output

capacitance

A port; VO = 3.0 V or 0 V

4.6

B port; VO =VTT or 0 V

3.4

4.3

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