HCC/HCF4536B
PROGRAMMABLE TIMER
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24 FLIP-FLOP STAGES - COUNTS FROM
2
0
TO 2
24
LAST 16 STAGES SELECTABLE BY BCD SE-
LECT CODE
BYPASS INPUT ALLOWS BYPASSING FIRST
8 STAGES
ON-CHIP RC OSCILLATOR PROVISION
CLOCK INHIBIT INPUT
SCHMITT-TRIGGER IN CLOCK LINE PER-
MITS OPERATION WITH VERY LONG RISE
AND FALL TIMES
ON-CHIP MONOSTABLE OUTPUT PROVI-
SION
TYPICAL f
CL
= 3MHz AT V
DD
= 10V
TEST MODE ALLOWS FAST TEST SE-
QUENCE
SET AND RESET INPUTS
CAPABLE OF DRIVING TWO LOW POWER
TTL
LOADS,
ONE
LOWER-POWER
SCHOTTKY LOAD, OR TWO HTL LOADS
OVER THE RATED TEMPERATURE RANGE
STANDARDIZED, SYMMETRICAL OUTPUT
CHARACTERISTICS
QUIESCENT CURRENT AT 20V FOR HCC DE-
VICE
5V, 10V, AND 15V PARAMETRIC RATINGS
INPUT CURRENT OF 100 nA AT 18V AND 25擄C
FOR HCC DEVICE
100% TESTED FOR QUIESCENT CURRENT
MEETS ALL REQUIREMENTS OF JEDEC TEN-
o
TATIVE STANDARD N . 13A, 鈥漇TANDARD
SPECIFICATIONS FOR DESCRIPTION OF 鈥滲鈥?/div>
SERIES CMOS DEVICES鈥?/div>
EY
(Plastic Package)
F
(Ceramic Package)
C1
(Chip Carrier)
ORDER CODES :
HCC4536BF
HCF4536BEY
HCF4536BC1
PIN CONNECTIONS
DESCRIPTION
The
HCC4536B
(extended temperature range) and
HCF4536B
(intermediate temperature range) are
monolithic integrated circuits, available in 16-lead
dual in-line plastic or ceramic package. The
HCC/HCF4536B
is a programmable timer consi-
sting of 24 ripple-binary counter stages. The salient
feature of this device is its flexibility. The device can
count from 1 to 2
24
or the first 8 stages can be by-
passed to allow an output, selectable by a 4-bit co-
de, from any one of the remaining 16 stages. It can
be driven by an external clock or an RC oscillator
that can be constructed using on-chip components.
November 1996
1/17
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