 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
PARTNUMBER02 Datasheet(PDF) 26 Page - Texas Instruments |
|
|
|||||||||||||||||||||||||||||
PARTNUMBER02 Datasheet(HTML) 26 Page - Texas Instruments |
|
|
26 / 31 page  SN54LVT18502 3.3-V ABT SCAN TEST DEVICE WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS SCBS669 – JULY 1996 26 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) (normal mode) (see Figure 14)123 VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX fclock Clock frequency CLKAB or CLKBA 0 90 0 80 MHz t Pulse duration CLKAB or CLKBA high or low 6.5 6.7 ns tw Pulse duration LEAB or LEBA high 2.4 2.4 ns A before CLKAB ↑ or B before CLKBA↑ 3.6 4 tsu Setup time A before LEAB ↓ or B before LEBA↓ CLK high 1.2 0.6 ns A before LEAB ↓ or B before LEBA↓ CLK low 1.4 1.5 th Hold time A after CLKAB ↑ or B after CLKBA↑ 1.2 0.8 ns th Hold time A after LEAB ↓ or B after LEBA↓ 4.9 5.4 ns timing requirements over recommended operating free-air temperature range (unless otherwise noted) (test mode) (see Figure 14) VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX fclock Clock frequency TCK 0 50 0 40 MHz tw Pulse duration TCK high or low 12 14 ns A, B, CLK, LE, or OE before TCK ↑ 8 9 tsu Setup time TDI before TCK ↑ 3.5 4.5 ns TMS before TCK ↑ 3 4 A, B, CLK, LE, or OE after TCK ↑ 1.7 1.1 th Hold time TDI after TCK ↑ 1.5 0.8 ns TMS after TCK ↑ 1.5 0.6 td Delay time Power up to TCK ↑ 50* 50* ns tr Rise time VCC power up 1* 1* µs * On products compliant to MIL-PRF-38535, this parameter is not production tested. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
