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SN54LVT8980 Datasheet(PDF) 10 Page - Texas Instruments |
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SN54LVT8980 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 37 page SN54LVT8980, SN74LVT8980 EMBEDDED TEST BUS CONTROLLERS IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8BIT GENERIC HOST INTERFACES SCBS676E − DECEMBER 1996 − REVISED MARCH 2004 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 host access timing (continued) For write access (R/W low), the eTBC data outputs remain at high impedance independent of STRB. The address of the register to be written is latched from the address pins on the falling edge of STRB, while the data to be written is latched from the data bus on the rising edge of STRB. tPHL th th STRB RDY R/W D A tsu tsu Valid tPLH tPZH or tPZL tPHZ or tPLZ Figure 6. Read Access Timing th tPHL th th STRB RDY R/W D A tsu tsu Valid tPLH tsu Valid Figure 7. Write Access Timing |
Similar Part No. - SN54LVT8980_06 |
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Similar Description - SN54LVT8980_06 |
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