參數(shù)資料
型號: 933296660652
廠商: NXP SEMICONDUCTORS
元件分類: 計數(shù)器
英文描述: 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16
封裝: PLASTIC, SOT-38-1, DIP-16
文件頁數(shù): 14/14頁
文件大?。?/td> 184K
代理商: 933296660652
January 1995
9
Philips Semiconductors
Product specication
Synchronous up/down counter,
binary/decade counter
HEF4029B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
MIN
TYP
MAX
Minimum clock
5
110
55
ns
see also waveforms
Figs 7 and 8
pulse width; LOW
10
tWCPL
35
20
ns
15
25
15
ns
Minimum PL
5
160
80
ns
pulse width; HIGH
10
tWPLH
55
25
ns
15
35
15
ns
Recovery time
5
150
75
ns
for PL
10
tRPL
50
25
ns
15
35
20
ns
Set-up times
5
270
135
ns
BIN/DEC
→ CP
10
tsu
90
45
ns
15
60
30
ns
5
300
150
ns
UP/DN
→ CP
10
tsu
105
55
ns
15
75
35
ns
5
240
120
ns
CE
→ CP
10
tsu
90
50
ns
15
70
40
ns
570
35
ns
Pn → PL
10
tsu
20
10
ns
15
10
5
ns
Hold times
5
45
90
ns
BIN/DEC
→ CP
10
thold
15
30
ns
15
10
20
ns
515
135
ns
UP/DN
→ CP
10
thold
0
50
ns
15
5
35
ns
530
30
ns
CE
→ CP
10
thold
10
ns
15
5
10
ns
515
20
ns
Pn → PL
10
thold
0
10
ns
15
0
5ns
Maximum clock
5
2
4
MHz
pulse frequency
10
fmax
5
10
MHz
15
8
15
MHz
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