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SN74SSTV32852-EP Scheda tecnica(PDF) 5 Page - Texas Instruments |
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SN74SSTV32852-EP Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 12 page SN74SSTV32852 24-BIT TO 48-BIT REGISTERED BUFFER WITH SSTL_2 INPUTS AND OUTPUTS SCES361C – AUGUST 2001 – REVISED FEBRUARY 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V ± 0.2 V UNIT MIN MAX fclock Clock frequency 200 MHz tw Pulse duration, CLK, CLK high or low 2.5 ns tact Differential inputs active time (see Note 5) 22 ns tinact Differential inputs inactive time (see Note 6) 22 ns t Setup time Fast slew rate (see Notes 7 and 9) Dt bf CLK ↑ CLK↓ 0.75 ns tsu Setup time Slow slew rate (see Notes 8 and 9) Data before CLK ↑, CLK↓ 0.9 ns th Hold time Fast slew rate (see Notes 7 and 9) Data after CLK ↑ CLK↓ 0.75 ns th Hold time Slow slew rate (see Notes 8 and 9) Data after CLK ↑, CLK↓ 0.9 ns NOTES: 5. VREF must be held at a valid input level, and data inputs must be held low for a minimum time of tact max, after RESET is taken high. 6. VREF, data, and clock inputs must be held at valid voltage levels (not floating) for a minimum time of tinact max, after RESET is taken low. 7. Data signal input slew rate ≥1 V/ns 8. Data signal input slew rate ≥0.5 V/ns and <1 V/ns 9. CLK, CLK input slew rates are ≥1 V/ns. switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 2.5 V ± 0.2 V UNIT (INPUT) (OUTPUT) MIN MAX fmax 200 MHz tpd CLK and CLK Q 1.1 3.1 ns tPHL RESET Q 5 ns |
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