2 / 9 page  FastEdge™ Series CY2DP3120 Document #: 38-07514 Rev.*C Page 2 of 9 Governing Agencies The following agencies provide specifications that apply to the CY2DP3120. The agency name and relevant specification is listed below in Table 2. Pin Definitions[1, 2, 3] Pin Name I/O Type Description 3 CLK_SEL I,PD ECL/PECL/HSTL Input clock select 4 CLKA, I,PD ECL/PECL Differential input clocks 6 VBB[3] OBias Reference voltage output 5 CLKA# I,PD/PU ECL/PECL Differential input clocks 7 CLKB, I,PD HSTL Alternate differential input clocks 8 CLKB# I,PD/PU HSTL Alternate differential input clocks 9 VEE[2] -PWR Power Negative supply 1,2,14,27,40 VCC +PWR Power Positive Supply 52,50,48,46,44,42,39,37, 35,33,31,29,26,24,22,20, 18,16,13,11 Q(0:19) O ECL/PECL True output 51,49,47,45,43,41,38,36, 34,32,30,28,25,23,21,19, 17,15,12,10 Q#(0:19) O ECL/PECL Complement output Table 1. Control Operation CLK_SEL 0 CLKA, CLKA# input pair is active (Default condition with no connection to pin) CLKA can be driven with ECL- or PECL-compatible signals with respective power configurations 1 CLKB, CLKB# input pair is active. CLKB can be driven with HSTL-compatible signals with respective power configurations Table 2. Agency Name Specification JEDEC JESD 020B (MSL) JESD 51 (Theta JA) JESD 8–2 (ECL) JESD 65–B (skew,jitter) Mil-Spec 883E Method 1012.1 (Thermal Theta JC) Notes: 1. In the I/O column, the following notation is used: I for Input, O for Output, PD for Pull-Down, PU for Pull-Up, and PWR for Power 2. In ECL mode (negative power supply mode), VEE is either –3.3V or –2.5V and VCC is connected to GND (0V). In PECL mode (positive power supply mode), VEE is connected to GND (0V) and VCC is either +3.3V or +2.5V. In both modes, the input and output levels are referenced to the most positive supply (VCC) and are between VCC and VEE. 3. VBB is available for use for single-ended bias mode for |3.3V| supplies (not |2.5V|). |
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