Electronic Components Datasheet Search |
|
SN75177B Datasheet(PDF) 5 Page - Texas Instruments |
|
SN75177B Datasheet(HTML) 5 Page - Texas Instruments |
5 / 12 page SN75177B, SN75178B DIFFERENTIAL BUS REPEATERS SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2–5 SYMBOL EQUIVALENTS DATA SHEET PARAMETER RS-422-A RS-485 VO Voa, Vob Voa, Vob |VOD1| Vo Vo |VOD2| Vt (RL = 100 Ω) Vt (RL = 54 Ω) |VOD3| Vt (Test Termination) Measurement 2) ∆|VOD| | |Vt| – |Vt|| | |Vt| – |Vt|| VOC |VOS| |VOS| ∆|VOC| |VOS – VOS| |VOS – VOS| IOS |Isa|,|Isb| IO |Ixa|,|Ixb| Iia,Iib RECEIVER SECTION electrical characteristics over recommended ranges of common-mode input voltage, supply voltage, and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VT+ Positive-going input threshold voltage VO = 2.7 V, IO = – 0.4 mA 0.2 V VT– Negative-going input threshold voltage VO = 0.5 V, IO = 8 mA – 0.2‡ V Vhys Input hysteresis (VT+ – VT–) 50 mV VIK Input clamp voltage at EN II = – 18 mA – 1.5 V VOH High-level output voltage VID = 200 mV, See Figure 2 IOH = – 400 µA, 2.7 V VOL Low-level output voltage VID = – 200 mV, See Figure 2 IOL = 8 mA, 0.45 V IOZ High impedance state output current VO =0 4Vto2 4V 20 µA IOZ High-impedance-state output current VO = 0.4 V to 2.4 V – 400 µA II Line input current Other input at 0 V, VI = 12 V 1 mA II Line input current See Note 4 VI = – 7 V – 0.8 mA IIH High-level enable-input current VIH = 2.7 V 20 µA IIL Low-level enable-input current VIL = 0.4 V – 200 µA ri Input resistance 12 k Ω IOS Short-circuit output current –15 –85 mA ICC Supply current (total package) No load Outputs enabled 57 70 mA ICC Su ly current (total ackage) No load Outputs disabled 26 35 mA † All typical values are at VCC = 5 V, TA = 25°C. ‡ The algebraic convention, where the less-positive (more-negative) limit is designated minimum, is used in this data sheet for common-mode input voltage and threshold voltage levels only. NOTE 4: Refer to EIA Standard RS-422 for exact conditions. switching characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, low-to-high level output VID = – 1.5 V to 1.5 V, 19 35 ns tPHL Propagation delay time, high-to-low level output ID , CL = 15 pF, See Figure 6 30 40 ns tPZH Output enable time to high level CL =15 pF See Figure 7 10 20 ns tPZL Output enable time to high level CL = 15 pF, See Figure 7 12 20 ns tPHZ Output disable time from high level CL =15 pF See Figure 8 25 35 ns tPLZ Output disable time from low level CL = 15 pF, See Figure 8 17 25 ns |
Similar Part No. - SN75177B_10 |
|
Similar Description - SN75177B_10 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | 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 |