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PCKEP14D Datasheet(PDF) 2 Page - NXP Semiconductors

Part # PCKEP14D
Description  2.5 V/3.3 V 1:5 differential ECL/PECL/HSTL clock driver
PDF  15 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCKEP14D Datasheet(HTML) 2 Page - NXP Semiconductors

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Philips Semiconductors
PCKEP14
2.5 V/3.3 V 1:5 differential ECL/PECL/HSTL clock driver
Product data
Rev. 01 — 30 October 2002
2 of 15
9397 750 09565
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
3.
Pinning information
3.1 Pinning
3.2 Pin description
3.2.1
Power supply connection
Fig 1.
SO20 pin configuration.
Fig 2.
TSSOP20 pin configuration.
002aaa354
1
2
3
4
5
6
7
8
9
10
Q0
Q0
Q1
Q1
Q2
Q2
Q3
Q3
Q4
Q4
20
19
18
17
16
15
14
13
12
11
VCC
EN
VCC
CLK1
CLK1
VBB
CLK0
CLK0
CLK_SEL
VEE
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1
2
3
4
5
6
7
8
9
10
Q0
Q0
Q1
Q1
Q2
Q2
Q3
Q3
Q4
Q4
VCC
EN
VCC
CLK1
CLK1
VBB
CLK0
CLK0
CLK_SEL
VEE
20
19
18
17
16
15
14
13
12
11
Table 1:
Pin description
Symbol
Pin
Description
Q0-Q4
1, 3, 5, 7, 9
Positive ECL/PECL output
Q0-Q4
2, 4, 6, 8, 10
Negative ECL/PECL output
VEE
11
Negative supply
CLK_SEL
12
ECL/PECL active clock select input. Pin will default LOW
when left open.
CLK0, CLK1
13, 16
ECL/PECL/HSTL CLK input. Pins will default LOW when
left open.
CLK0, CLK1
14, 17
ECL/PECL/HSTL CLK input. Pins will default to VCC/2 when
left open.
VBB
15
Reference voltage output
VCC
18, 20
Positive supply
EN
19
ECL synchronous enable
CAUTION
All VCC and VEE pins must be connected to power supply to guarantee
proper operation.
MSC895



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