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參數(shù)資料
| 型號： | SN54LVT8980JT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, CDIP24 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-24 |
| 文件頁數(shù)： | 2/36頁 |
| 文件大?。?/td> | 509K |
| 代理商： | SN54LVT8980JT |
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SN54LVT8980, SN74LVT8980
EMBEDDED TEST-BUS CONTROLLERS
IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES
SCBS676D – DECEMBER 1996 – REVISED AUGUST 2002
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
STRB
RDY
R/W
D
A
tsu
Valid
tPLH
tPZH or tPZL
tPHZ or tPLZ
Figure 6. Read Access Timing
th
tPHL
th
STRB
RDY
R/W
D
A
tsu
Valid
tPLH
tsu
Valid
Figure 7. Write Access Timing
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54S00J | 制造商:Texas Instruments 功能描述:NAND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S00W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S02J | 制造商:Texas Instruments 功能描述: |
| SN54S03J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:2-INPUT NAND GATE (OC) - Rail/Tube |
| SN54S04J | 制造商:Texas Instruments 功能描述:Inverter 6-Element Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:INVERTER 6-ELEM BIPOLAR 14CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:HEX INVERTER *NIC* |
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