IMIZ9974CA Cypress Semiconductor Corp, IMIZ9974CA Datasheet
IMIZ9974CA
Specifications of IMIZ9974CA
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IMIZ9974CA Summary of contents
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... The designer can select various Input/Output Frequency by setting fsela, fselb, fselc, fselFB(0:1), and VCO_Sel. Pin Configuration TClk_Sel Cypress Semiconductor Corporation Document #: 38-07090 Rev. *C The Z9974 integrates PLL technology for zero delay propaga- tion from input to output. The PLL feedback is externally avail- able for propagation delay tuning and divide ratio alternatives ® ...
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Block Diagram fsela 250K TCLK_sel 250K VDD 250K 0 TCLK0 Ref-in 1 TCLK1 VCO-out 250K Feedback VDD 250K FB_In VDD 250K PLL_EN VCO_sel 250K fselb 250K fselc 250K fselFB1 250K fselFB0 250K VDD 250K OE VDD 250K MR# Table 1. ...
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Pin Description Pin Name PWR 2 MR fsel(a, PLL_EN 8 TCLK_sel 9,10 TCLK(0:1) 14,20 fselFB(0:1) 16,18,21,23, Qa(0:4) VDDa 25 29 QFB VDDFB O 31 FB_In 32,34,36,48, Qb(0:4) VDDb 40 44,46,48,50 Qc(0:3) VDDc ...
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Pin Description (continued) Pin Name PWR 35,39 VSSb 45,49 VDDc 43,47,51 VSSc 1 VSSA Glitch-Free Output Frequency Transitions Customarily when zero delay buffers have their internal counters change “on the fly” their output clock periods will: 1. Contain short ...
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Maximum Ratings Maximum Input Voltage Relative to V Maximum Input Voltage Relative to V Storage Temperature: ................................ – 150 C Operating Temperature: ................................ – +85 C Maximum Power Supply: ................................................5.5V This device contains circuitry ...
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... Note: All buffer outputs are tied to a common 3.3-Volt V Ordering Information Part Number IMIZ9974CA IMIZ9974CAT 52-pin TQFP–Tape and Reel Package Drawing and Dimensions 52-Lead Thin Plastic Quad Flat Pack (10x10x1.4 mm) A52 PowerPC is a registered trademark of International Business Machines. Pentium is a registered trademark of Intel Corporation. ...
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Document Title: Z9974 3.3V, 125-MHz, Multi-Output Zero Delay Buffer Document #: 38-07090 REV. ECN NO. Issue Date ** 107126 06/05/01 *A 108068 07/03/01 *B 116195 08/14/02 *C 122775 12/21/02 Document #: 38-07090 Rev. *C Orig. of Change IKA Converted to ...