GTL2000DL datasheet(4/6 Pages) PHILIPS

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Philips Semiconductors

Product specification

GTL2000

22-bit GTL processor voltage clamp

2000 Jan 25

DC CHARACTERISTICS for VDD1 = 3.0 to 3.6 V; VDD2 = 2.36 to 2.64 V; VREF = 1.365 to 1.635 V range

Over recommended operating conditions. Voltage are referenced to GND (ground = 0 V). Refer to the Test Circuit diagram.

LIMITS

SYMBOL

PARAMETER

TEST CONDITIONS

Tamb = 0°C to +85°C

UNIT

MIN

TYP1

MAX

VOL

LOW level output voltage

VS = 0.175 V; ICLAMP = 15.2 mA

260

350

NOTE:

1. All typical values are measured at VDD1 = 3.3 V, VDD2 = 2.5 V, VREF = 1.5 V and Tamb = 25°C

AC CHARACTERISTICS for VDD1 = 3.0 to 3.6 V; VDD2 = 2.36 to 2.64 V; VREF = 1.365 to 1.635 V range

GND = 0V; tr = tf ≤ 3.0 ns. Refer to the Test Circuit diagram.

LIMITS

SYMBOL

PARAMETER

WAVEFORM

Tamb = 0°C to +85°C

UNIT

MIN

TYP1

MAX

tPLH2

Propagation delay

Sn to Dn; Dn to Sn

0.5

1.5

5.5

NOTES:

1. All typical values are measured at VDD1 = 3.3 V, VDD2 = 2.5 V, VREF = 1.5 V and Tamb = 25°C.

2. Propagation delay guaranteed by characterization.

3. CON,MAX of 30 pF and a COFF,MAX of 15 pF is guaranteed by design.

AC WAVEFORMS

INPUT

tPHL

tPLH

OUTPUT

HIGH-to-LOW

LOW-to-HIGH

OUTPUT

HIGH-to-LOW

LOW-to-HIGH

GND

VDD2

VOL

VDD2

VOL

tPHL

tPLH

tPHL

tPLH

SA00524

Waveform 1. The Input (Sn) to Output (Dn) Propagation Delays

TEST CIRCUIT

VREF

S22

DREF

D22

GREF

SA00523

PULSE

GENERATOR

DUT

SREF

VDD1

VDD2

200K

Ω

150Ω

Waveform 2. Load circuit

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