Philips Semiconductors
PCKEP14
2.5 V/3.3 V 1:5 differential ECL/PECL/HSTL clock driver
Product data Rev. 01 — 30 October 2002 5 of 15
9397 750 09565
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
8. Limiting values
9. Static characteristics
[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 V
CC
. V
EE
can vary +0.125 V to −1.3 V.
[3] All loading with 50 Ω to V
CC
− 2V.
[4] V
IHCMR(min)
varies 1:1 with V
EE
, V
IHCMR(max)
varies 1:1 with V
CC
. The V
IHCMR
range is referenced to the most positive side of the
differential input signal.
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
CC
PECL mode power supply V
EE
= 0 V - 4.1 V
V
EE
NECL mode power supply V
CC
=0V - −4.1 V
V
I
PECL mode input voltage V
EE
=0V; V
I
≤ V
CC
- 4.1 V
NECL mode input voltage V
CC
=0V; V
I
≥ V
EE
- −4.1 V
I
out
output current continuous - 50 mA
surge - 100 mA
I
BB
V
BB
source current 0 0.1 mA
T
amb
operating ambient temperature −40 +85 °C
T
stg
storage temperature range −65 +150 °C
R
th(j-a)
thermal resistance from junction to ambient 0 LFPM - 140 °C/W
500 LFPM - 100 °C/W
R
th(j-c)
thermal resistance from junction to case 23 41 °C/W
T
sld
soldering temperature - 265 °C
Table 6: PECL DC characteristics
[1]
V
CC
= 2.5 V; V
EE
=0V
[2]
Symbol Parameter Conditions T
amb
= −40 °C T
amb
= +25 °C T
amb
= +85 °C Unit
Min Typ Max Min Typ Max Min Typ Max
I
EE
power supply current 45 60 75 45 60 75 45 60 75 mA
V
OH
HIGH-level output
voltage
[3]
1355 1480 1605 1355 1500 1605 1355 1510 1605 mV
V
OL
LOW-level output voltage
[3]
555 720 805 555 700 805 555 710 805 mV
V
IH
HIGH-level input voltage single-ended 1335 - 1620 1335 - 1620 1275 - 1620 mV
V
IL
LOW-level input voltage single-ended 555 - 875 555 - 875 555 - 875 mV
V
IHCMR
HIGH-level input voltage,
common mode range
(differential)
[4]
1.2 - 2.5 1.2 - 2.5 1.2 - 2.5 V
I
IH
HIGH-level input current - - 150 - - 150 - - 150 µA
I
IL
LOW-level input current CLK 0.5 - - 0.5 - - 0.5 - - µA
CLK −150 - - −150 - - −150 - - µA
V
BB
output reference voltage 1075 1165 1265 1065 1165 1265 1085 1180 1270 mV
