uPSD3212A, uPSD3212C, uPSD3212CV
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Figure 75. Synchronous Clock Mode Tim i ng – P LDTable 125. CPLD Macrocell Synchronous Clock Mode Timing (5V Devices)
Note: 1. Fast Slew Rate output available on PA3-PA0, PB3-PB0, and PD2-PD1. Decrement times by given amount.
2. CLKIN (PD1) t CLCL = tCH + tCL.
Symbol Parameter Condition s Min Max PT
Aloc Turbo
Off Slew
rate(1) Unit
fMAX
Maximum Frequency
External Feedback 1/(tS+tCO)40.0 MHz
Maximum Frequency
Internal Feedback (fCNT)1/(tS+tCO–10) 66.6 MHz
Maximum Frequency
Pipelined Data 1/(tCH+tCL)83.3 MHz
tSInput Setup Time 12 + 2 + 10 ns
tHInput Hold Time 0 ns
tCH Clock High Time Clock Input 6 ns
tCL Clock Low Time Clock Input 6 ns
tCO Clock to Output Delay Clock Input 13 – 2 ns
tARD CPLD Array Delay Any
macrocell 11 + 2 ns
tMIN Minimum Clock Period(2) tCH+tCL 12 ns
tCH tCL
tCO
tH
tS
CLKIN
INPUT
REGISTERED
OUTPUT
AI02860