PCKEL14PW datasheet(7/15 Pages) NXP

7 / 15 page

Philips Semiconductors

PCKEL14

2.5 V/3.3 V PECL/ECL 1:5 clock distribution chip

Product data

Rev. 01 — 14 October 2002

7 of 15

9397 750 09564

[1]

Devices are designed to meet the DC speciﬁcations shown in this table, after thermal equilibrium has been established. The circuit is in

a test socket or mounted on a printed circuit board and transverse air ﬂow greater than 500 LFPM is maintained.

[2]

Input and output parameters vary 1:1 with VCC. VEE can vary ±0.3 V.

[3]

Outputs are terminated through a 50

Ω resistor to V

CC − 2V.

[4]

VIHCMR(min) varies 1:1 with VEE, VIHCMR(max) varies 1:1 with VCC. The VIHCMR range is referenced to the most positive side of the

differential input signal. Normal operation is obtained if the HIGH level falls within the speciﬁed range and the peak-to-peak voltage lies

between Vp-p(min) and 1 V.

Table 7:

Negative DC characteristics[1]

VCC = 0.0 V; VEE = − 3.8 V to −2.375 V[2]

Symbol Parameter

Conditions

Tamb = −40 °C

Tamb = +25 °C

Tamb = +85 °C

Unit

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

IEE

power supply

current

3240-

3442mA

VOH

HIGH-level

output voltage

[3]

−1175 −1040 −880 −1065 −955 −880 −1025 −955 −880 mV

VOL

LOW-level

output voltage

[3]

−1830 −1695 −1555 −1810 −1705 −1620 −1810 −1705 −1620 mV

VIH

HIGH-level input

voltage

single-ended

−1190 -

−880 −1165 -

−880 mV

VIL

LOW-level input

voltage

single-ended

−1810 -

−1475 −1810 -

−1475 mV

VBB

output voltage

reference

−1.43 -

−1.25 −1.35 -

−1.19 V

VIHCMR

HIGH-level input

voltage,

common mode

range

(differential)

Vp-p < 500 mV [4] −2.0

−0.4

−2.1

−0.4

−2.1

−0.4

Vp-p ≥ 500 mV

−1.8

−0.4

−1.9

−0.4

−1.9

−0.4

IIH

HIGH-level input

current

150

µA

IIL

LOW-level input

current

CLK

−300 -

µA

others

0.5

µA

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