PCK9446BD,151 NXP Semiconductors, PCK9446BD,151 Datasheet
PCK9446BD,151
Specifications of PCK9446BD,151
935280839151
PCK9446BD-S
Available stocks
Related parts for PCK9446BD,151
PCK9446BD,151 Summary of contents
Page 1
PCK9446 2.5 V and 3.3 V LVCMOS clock fan-out buffer Rev. 01 — 10 April 2006 1. General description The PCK9446 is a 2.5 V and 3.3 V compatible clock distribution buffer designed for low-voltage mid-range to ...
Page 2
Philips Semiconductors 3. Ordering information Table 1. Type number PCK9446BD 4. Functional diagram Fig 1. Logic diagram of PCK9446 PCK9446_1 Product data sheet Ordering information Package Name Description LQFP32 plastic low profile quad flat package; 32 leads; body 7 7 ...
Page 3
Philips Semiconductors 5. Pinning information 5.1 Pinning Fig 2. Pin configuration for LQFP32 5.2 Pin description Table 2. Symbol CLK_SEL CLK0, CLK1 FSELA, FSELB, FSELC MR/OE GND VCCA [1] VCCB VCCC V CC QA[0:2] QB[0:2] QC[0:3] [1] VCCB is internally ...
Page 4
Philips Semiconductors 6. Functional description Refer to 6.1 Function table Table 3. Control CLK_SEL 0 FSELA FSELB FSELC MR/OE 6.2 Supply configurations Table 4. Supply voltage configuration 3.3 V mixed voltage supply 2 threshold and levels. ...
Page 5
Philips Semiconductors 7. Limiting values Table 5. In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol stg 8. Recommended operating conditions Table 6. Symbol ...
Page 6
Philips Semiconductors 9. Static characteristics Table 7. Static characteristics (3 + amb CC Symbol Parameter V HIGH-level input voltage IH V LOW-level input voltage IL V HIGH-level output voltage OH ...
Page 7
Philips Semiconductors 10. Dynamic characteristics Table 9. Dynamic characteristics (3 + amb CC Symbol Parameter f reference frequency ref f maximum output frequency o(max) reference duty cycle ref t LOW-to-HIGH ...
Page 8
Philips Semiconductors Table 10. Dynamic characteristics (2 + amb CC Symbol Parameter f reference frequency ref f maximum output frequency o(max) reference duty cycle ref t LOW-to-HIGH propagation delay PLH ...
Page 9
Philips Semiconductors 11. Application information 11.1 Driving transmission lines The PCK9446 clock driver was designed to drive high speed signals in a terminated transmission line environment. To provide the optimum flexibility to the user the output drivers were designed to ...
Page 10
Philips Semiconductors The waveform plots of versus two lines. In both cases the drive capability of the PCK9446 output buffer is more than sufficient to drive 50 measurements in the simulations a delta of only 43 ps exists between the ...
Page 11
Philips Semiconductors Fig 5. Optimized dual line termination 12. Test information GENERATOR Fig 6. CLK0, CLK1 PCK9446 AC test reference for (1) 2.4 V when V = 3.3 V; 1.8 V when V CC (2) ...
Page 12
Philips Semiconductors 13. Package outline LQFP32: plastic low profile quad flat package; 32 leads; body 1 pin 1 index DIMENSIONS (mm are the original dimensions) ...
Page 13
Philips Semiconductors 14. Soldering 14.1 Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our Data Handbook IC26; Integrated Circuit Packages ...
Page 14
Philips Semiconductors – smaller than 1.27 mm, the footprint longitudinal axis must be parallel to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves at the downstream end. • For packages with leads on four sides, ...
Page 15
Philips Semiconductors [4] These packages are not suitable for wave soldering. On versions with the heatsink on the bottom side, the solder cannot penetrate between the printed-circuit board and the heatsink. On versions with the heatsink on the top side, ...
Page 16
Philips Semiconductors 17. Legal information 17.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...
Page 17
Philips Semiconductors 19. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...