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SN74SSTVF16859SR 데이터시트(PDF) 7 Page - Texas Instruments |
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SN74SSTVF16859SR 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 11 page SN74SSTVF16859 13BIT TO 26BIT REGISTERED BUFFER WITH SSTL_2 INPUTS AND OUTPUTS SCES429B − MARCH 2003 − REVISED FEBRUARY 2004 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION VCC = 2.5 V ± 0.2 V AND VCC = 2.6 V ± 0.1 V VCC/2 VOLTAGE AND CURRENT WAVEFORMS INPUTS ACTIVE AND INACTIVE TIMES NOTES: A. CL includes probe and jig capacitance. B. ICC tested with clock and data inputs held at VCC or GND, and IO = 0 mA. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, input slew rate = 1 V/ns ±20% (unless otherwise noted). D. The outputs are measured one at a time, with one transition per measurement. E. VTT = VREF = VDDQ/2 F. VIH = VREF + 310 mV (ac voltage levels) for differential inputs. VIH = VCC for LVCMOS input. G. VIL = VREF − 310 mV (ac voltage levels) for differential inputs. VIL = GND for LVCMOS input. H. tPLH and tPHL are the same as tpd. 0 V VCC VOLTAGE WAVEFORMS SETUP AND HOLD TIMES Timing Inputs VICR VREF Input VIL VIH VREF VI(PP) tPHL VOH VOL Output VDDQ/2 VDDQ/2 tPLH tPHL VIH VIL VOL VOH LVCMOS RESET Input Output VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VDDQ/2 VCC/2 VI(PP) VICR Timing Inputs VICR VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VCC/2 VREF VREF tw VOLTAGE WAVEFORMS PULSE DURATION VIH VIL LVCMOS RESET Input tact tinact 10% 90% ICC (operating) ICC (standby) ICC (see Note B) tsu th LOAD CIRCUIT CL = 30 pF (see Note A) Test Point From Output Under Test RL = 500 Ω Input VOH VOL 20% VOLTAGE WAVEFORMS HIGH-TO-LOW SLEW-RATE MEASUREMENT 80% dt_f dV_f VOH VOL 20% VOLTAGE WAVEFORMS LOW-TO-HIGH SLEW-RATE MEASUREMENT 80% dt_r dV_r Output Output Figure 1. Load Circuit and Voltage Waveforms |
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