HEF4526B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 22 November 2011 13 of 19
NXP Semiconductors
HEF4526B
Programmable 4-bit binary down counter
L.S.D. = Least Significant Digit; M.S.D. = Most Significant Digit.
Fig 8. Typical 2-stage programmable down counter (one cycle) application.
L.S.D. = Least Significant Digit; M.S.D. = Most Significant Digit.
Fig 9. Typical 2-stage programmable frequency divider application
Q0 Q1 Q2 Q3
HEF4526B
(L.S.D.)
cycle inhibit
master
reset
Counting cycle:
CP1
PL
CF
MR
CP0
10 kΩ
(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 kΩ
(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 kΩ
(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 kΩ
(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 information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 22 November 2011 14 of 19
NXP Semiconductors
HEF4526B
Programmable 4-bit binary down counter
13. Package outline
Fig 10. Package outline SOT38-4 (DIP16)
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
0.2542.54 7.62
8.25
7.80
10.0
8.3
0.764.2 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
0.010.1 0.3
0.32
0.31
0.39
0.33
0.030.17 0.02 0.13
DIP16: plastic dual in-line package; 16 leads (300 mil)
SOT38-4
HEF4526B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 22 November 2011 15 of 19
NXP Semiconductors
HEF4526B
Programmable 4-bit binary down counter
Fig 11. 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
QZywv 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

HEF4526BT,653

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
Counter ICs PROGRMMABL 4-BIT BCD
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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