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HEF4526BT,653
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P19
HEF4526B
All informatio
n provided in this d
ocument is su
bject to legal discl
aimers.
© NXP B.V
. 201
1. All rights reserved.
Product data sheet
Rev
. 5 — 22 November 201
1
13 of 19
NXP Semiconductors
HEF4526B
Programmable 4-
bit binary down counter
L.S.D. = Least Significant Digit;
M.S.D. = Most Significant Dig
it.
Fig 8.
T
ypical 2-stage programmable do
wn counter (one cycle) application.
L.S.D. = Least Significant Digit;
M.S.D. = Most Significant Dig
it.
Fig 9.
T
ypical 2-stage programmable freque
ncy divider application
Q0
Q1
Q2
Q3
HEF4526B
(L.S.D.)
cycle inhibit
master
reset
Counting cycle:
CP1
PL
CF
MR
CP0
10 k
Ω
(4x)
A0
A1
A2
A3
Q0
Q1
Q2
Q3
A0
A1
A2
A3
n0
TC
V
DD
S
clock
V
DD
HEF4526B
(M.S.D.)
CP1
PL
CF
MR
CP0
10 k
Ω
(4x)
n1
TC
V
DD
S
15
14
.
.
.
n0
.
.
1
0
n1
.
.
1
0
stop at
LOW
001aae725
V
DD
L.S.D. counter
M.S.D. counter
Q0
Q1
Q2
Q3
HEF4526B
(L.S.D.)
master
reset
Counting cycle:
CP1
PL
CF
MR
CP0
10 k
Ω
(4x)
A0
A1
A2
A3
Q0
Q1
Q2
Q3
A0
A1
A2
A3
n0
TC
V
DD
S
clock
HEF4526B
(M.S.D.)
CP1
PL
CF
MR
CP0
10 k
Ω
(4x)
n1
TC
V
DD
S
15
14
.
.
.
.
.
n0
.
.
2
1
0
n1
.
.
2
1
0
001aae726
V
DD
L.S.D. counter
M.S.D. counter
f
0
= f
i
/n
HEF4526B
All informatio
n provided in this d
ocument is su
bject to legal discl
aimers.
© NXP B.V
. 201
1. All rights reserved.
Product data sheet
Rev
. 5 — 22 November 201
1
14 of 19
NXP Semiconductors
HEF4526B
Programmable 4-
bit binary down counter
13. Package
outline
Fig 10.
Package
outline SOT38-4 (DIP1
6)
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
JEITA
SOT38-4
95-01-14
03-02-13
M
H
c
(e )
1
M
E
A
L
seating plane
A
1
w
M
b
1
b
2
e
D
A
2
Z
16
1
9
8
E
pin 1 index
b
0
5
10 mm
scale
Note
1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included.
UNIT
A
max.
12
b
1
(1)
(1)
(1)
b
2
cD
E
e
M
Z
H
L
mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
min.
A
max.
b
max.
w
M
E
e
1
1.73
1.30
0.53
0.38
0.36
0.23
19.50
18.55
6.48
6.20
3.60
3.05
0.254
2.54
7.62
8.25
7.80
10.0
8.3
0.76
4.2
0.51
3.2
inches
0.068
0.051
0.021
0.015
0.014
0.009
1.25
0.85
0.049
0.033
0.77
0.73
0.26
0.24
0.14
0.12
0.01
0.1
0.3
0.32
0.31
0.39
0.33
0.03
0.17
0.02
0.13
DIP16: plastic dual in-line package; 16 leads (300 mil)
SOT38-4
HEF4526B
All informatio
n provided in this d
ocument is su
bject to legal discl
aimers.
© NXP B.V
. 201
1. All rights reserved.
Product data sheet
Rev
. 5 — 22 November 201
1
15 of 19
NXP Semiconductors
HEF4526B
Programmable 4-
bit binary down counter
Fig 1
1.
Package outline
SOT109-1 (SO16)
X
w
M
θ
A
A
1
A
2
b
p
D
H
E
L
p
Q
detail X
E
Z
e
c
L
v
M
A
(A )
3
A
8
9
1
16
y
pin 1 index
UNIT
A
max.
A
1
A
2
A
3
b
p
cD
(1)
E
(1)
(1)
eH
E
LL
p
QZ
y
w
v
θ
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
JEITA
mm
inches
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
0.7
0.6
0.7
0.3
8
0
o
o
0.25
0.1
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
1.0
0.4
SOT109-1
99-12-27
03-02-19
076E07
MS-012
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.39
0.38
0.16
0.15
0.05
1.05
0.041
0.244
0.228
0.028
0.020
0.028
0.012
0.01
0.25
0.01
0.004
0.039
0.016
0
2.5
5 mm
scale
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P19
HEF4526BT,653
Mfr. #:
Buy HEF4526BT,653
Manufacturer:
NXP Semiconductors
Description:
Counter ICs PROGRMMABL 4-BIT BCD
Lifecycle:
New from this manufacturer.
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