74GTL1655A 查看數據表（PDF） - STMicroelectronics

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74GTL1655A

16 BIT LVTTL TO GTL/GTL + UNIVERSAL BUS TRANSCEIVERS WITH LIVE INSERTION

STMicroelectronics 

74GTL1655A

Table 12: Test Circuit For "B" Outputs

CL = 30pF or equivalent (includes jig and probe capacitance)

RL = R1 = 12.5Ω or equivalent

t(s) RT = ZOUT of pulse generator (typically 50Ω)

tr=tf <=2.5ns

uc Figure 5: Waveform - Pulse Duration (A Port, Control Pin)

Obsolete Product(s) - Obsolete Prod Figure 6: Waveform - Clock To B Port Propagation Delay Time

10/16

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