參數(shù)資料
型號: HEF4526BT
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Programmable 4-bit binary down counter
封裝: HEF4526BP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;HEF4526BT<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week
文件頁數(shù): 7/10頁
文件大?。?/td> 106K
代理商: HEF4526BT
January 1995
7
Philips Semiconductors
Product specification
Programmable 4-bit binary down counter
HEF4526B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
Note
1.
In the divide-by-n mode (PL connected to TC), one has to observe the maximum HIGH to LOW propagation delay
for CP to TC, before applying the next clock pulse.
V
DD
V
SYMBOL
MIN.
TYP.
MAX.
Minimum clock
pulse width CP
0
LOW
Minimum clock
pulse width CP
1
HIGH
Minimum PL
pulse width; HIGH
5
80
40
30
80
40
30
100
40
32
130
50
40
30
20
15
30
20
15
40
20
15
40
20
15
50
20
16
65
25
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
see also waveforms
Figs 5 and 6
10
15
t
WCPL
5
10
15
t
WCPH
5
10
15
t
WPLH
Minimum MR
pulse width; HIGH
5
10
15
t
WMRH
Hold time
P
n
PL
5
5
5
5
0
0
0
10
15
t
hold
Set-up time
P
n
PL
5
10
15
t
su
Maximum clock
pulse frequency
PL = LOW
5
6
12
25
32
see note 1
10
15
f
max
12
16
相關(guān)PDF資料
PDF描述
HEF4526BP Programmable 4-bit binary down counter
HEF4526BU Programmable 4-bit binary down counter
HEF4538BP Dual precision monostable multivibrator
HEF4538BT Dual precision monostable multivibrator
HEF4541BT Programmable timer
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