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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

HD74HC299 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC299 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
HD74HC299
Switching Characteristics
Item
Symbol VCC (V)
Maximum clock
frequency
fmax
2.0
4.5
6.0
Propagation delay tPLH
2.0
time
tPHL
4.5
6.0
tPHL
2.0
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tPHL
2.0
4.5
6.0
Output enable time tZH
2.0
tZL
4.5
6.0
Output disable
time
tHZ
2.0
tLZ
4.5
6.0
Setup time
tsu
2.0
4.5
6.0
Hold time
th
2.0
4.5
6.0
Removal time
trem
2.0
4.5
6.0
Pulse width
tw
2.0
4.5
6.0
Output rise/fall
time
tTLH
2.0
tTHL
4.5
6.0
2.0
4.5
6.0
Input capacitance Cin
Ta = 25°C
Min Typ Max
—— 5
— — 25
— — 29
— — 190
— — 38
— — 32
— — 220
— — 44
— — 37
— — 190
— — 38
— — 32
— — 220
— — 44
— — 37
— — 160
— — 32
— — 27
— — 160
— — 32
— — 27
100 — —
20 — —
17 — —
5 ——
5 ——
5 ——
50 — —
10 — —
9 ——
80 — —
16 — —
14 — —
— — 60
— — 12
— — 10
— — 75
— — 15
— — 13
— 5 10
(CL = 50 pF, Input tr = tf = 6 ns)
Ta = –40 to +85°C
Unit
Min
Max
Test Conditions
4 MHz
20
23
240 ns Clock to QA’ or QH
48
41
275 ns Clear to QA’ or QH
55
47
240 ns Clock to QA – QH
48
41
275 ns Clear to QA – QH
55
47
200 ns
40
34
200 ns
40
34
125
ns Select
25
21
5
ns Select
5
5
65
ns Clear
13
11
100
ns
20
17
75
ns A/QA thru H/QH outputs
15
13
95
ns QA’ & QH’ outputs
19
16
10 pF
Rev.2.00 Jan 31, 2006 page 5 of 8

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