Answer / vidyasagar rao

IC Temperature Ranges Class
lower limit upper limit
Military -55oC(-65oF) : +125oC(+257oF)
Extended -40oC(-38oF) : +125oC(+257oF)
Industrial -40oC(-38oF) : +85oC(+183oF0
Commercial 0oC(+32oF) : +70oC(+158oF)

The 74xx digital logic families [or just 74 prefix] refer
to a commercial operating temperature range. The 54xx part
number [or just 54 prefix] refers to a military operating
temperature range. Some 74xx device families may also work
at the Industrial temperature range.

i want to know fire safety factory purpose .. does fire mauual call point requires hooter or mcp has inbuilt siren...???

0 Answers   Sabnam Exports,

---

how we can calculate the range selection time in mobile communication? or channel searching time?

0 Answers   Delton, HAL, HCL,

---

What is the disadvantage of on-off control?

0 Answers  

---

What is the difference between transducer and transponder?

0 Answers  

---

why would you like to join jindal steel and power? in 200 words

0 Answers   Jindal,

---

---

15. Ater interface is between transcoder and MSC – True/False 16. SS7 signaling is used in Abis interface – True/False 17. FlexiEdge BTS has RRI card – True/False 18. From Transcoder to MSC, data rate for each call is 64Kbps – True/false

2 Answers   NSN,

---

What is a feedback?

0 Answers  

---

Hai friends.......

1 Answers  

---

What is the importance of valence shell and valence electrons?

0 Answers  

---

What are the faults that might happen in SCADA ?

0 Answers   Havells,

---

What is the use of Fourier Transform?

3 Answers  

---

what is serial communication??

0 Answers  

---