HD74HC148FPEL 데이터 시트보기 (PDF) - Renesas Electronics

부품명

상세내역

일치하는 목록

HD74HC148FPEL

8-to-3-line Octal Priority Encoder

Renesas Electronics 

HD74HC148

Electrical Characteristics

Item

Input voltage

Output voltage

Input current

Quiescent supply

current

Symbol

VIH

VIL

VOH

VOL

Iin

ICC

VCC (V)

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

6.0

6.0

Ta = 25°C

Min Typ Max

1.5 — —

3.15 — —

4.2 — —

— — 0.5

— — 1.35

— — 1.8

1.9 2.0 —

4.4 4.5 —

5.9 6.0 —

4.18 — —

5.68 — —

— 0.0 0.1

— 0.0 0.1

— 0.0 0.1

— — 0.26

— — 0.26

— — ±0.1

— — 4.0

Ta = –40 to+85°C

Min Max Unit

Test Conditions

1.5

—

V

3.15

—

4.2

—

—

0.5 V

—

1.35

—

1.8

1.9

—

V Vin = VIH or VIL IOH = –20 µA

4.4

—

5.9

—

4.13

5.63

—

—

—

IOH = –4 mA

—

IOH = –5.2 mA

0.1

V Vin = VIH or VIL IOL = 20 µA

0.1

—

0.1

—

0.33

IOL = 4 mA

—

0.33

IOL = 5.2 mA

—

±1.0 µA Vin = VCC or GND

—

40 µA Vin = VCC or GND, Iout = 0 µA

Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)

Item

Propagation delay

time

Output rise/fall

time

Input capacitance

Symbol VCC (V)

tPLH, tPHL 2.0

4.5

6.0

tPLH, tPHL 2.0

4.5

6.0

tPLH, tPHL 2.0

4.5

6.0

tPLH, tPHL 2.0

4.5

6.0

tPLH, tPHL 2.0

4.5

6.0

tPLH, tPHL 2.0

4.5

6.0

tTLH, tTHL 2.0

4.5

6.0

Cin

—

Ta = 25°C

Ta = –40 to +85°C

Min Typ Max Min Max Unit

Test Conditions

— — 230 —

— 15 46

—

290 ns 0 - 7 to A0 - A2

58

— — 39

—

49

— — 250 —

315 ns 0 - 7 to EO

— 16 50

—

63

— — 43

—

54

— — 270 —

340 ns 0 - 7 to GS

— 18 54

—

68

— — 46

—

58

— — 230 —

— 12 46

—

290 ns EI to A0 - A2

58

— — 39

—

49

— — 250 —

315 ns EI to GS

— 12 50

—

63

— — 43

—

54

— — 270 —

340 ns EI to EO

— 12 54

—

68

— — 46

—

58

— — 75

—

90 ns

— 5 15

—

19

— — 13

—

16

— 5 10

—

10 pF

Rev.2.00, Oct 11, 2005 page 3 of 5

Share Link: