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HCF40110B Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer HCF40110B
Beschreibung DECADE UP-DOWN COUNTER/DECODER/LATCH/DRIVER
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 11 Seiten
HCF40110B Datasheet, Funktion
HCC40110B
HCF40110B
DECADE UP-DOWN COUNTER/DECODER/LATCH/DRIVER
. SEPARATE CLOCK-UP AND CLOCK-DOWN
LINES
. CAPABLE OF DRIVING COMMON CATHODE
LEDS AND OTHER DISPLAYS DIRECTLY
. ALLOWS CASCADING WITHOUT ANY EX-
TERNAL CIRCUITRY
. MAXIMUM INPUT CURRENT OF 1 µA AT 18 V
(full package-temperature range)
. QUIESCENT CURRENT AT 20 V FOR HCC DE-
VICE
. 5 V, 10 V AND 15 V PARAMETRIC RATINGS
. INPUT CURRENT OF 100 nA AT 18 V AND
25 °C FOR HCC DEVICE
. 100 % TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD No. 13 A, ”STANDARD
SPECIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
EY
(Plastic Package)
F
(Ceramic Package)
C1
(Chip Carrier)
DESCRIPTION
The HCC 40110B (extended temperature range)
and HCF 40110B (intermediate temperature range)
are monolithic integrated circuits, available in 16-
lead dual in-line plastic or ceramic package. The
HCC/HCF 40110B is a dual-clocked up/down
counter with a special preconditioning circuit that
allows the counter to be clocked, via positive going
inputs, up or down regardless of that state or timing
(within 100 ns typ.) of the other clock line. The clock
signal is fed into the control logic and Johnson
counter after is preconditioned. The outputs of the
Johnson counter (which include antilock gating to
avoid being locked at an illegal state) are fed into a
latch. This data can be fed directly to the decoder
through the latch or can be strobed to hold a particu-
lar count while the Johnson counter continues to be
clocked. The decoder feeds a seven-segment bipo-
lar output driver which can source up to 25 mA to
drive LEDs and other displays such as low-voltage
fluorescent and incandescent lamps. A short dura-
tion negative-going pulse appears on the BORROW
output when the count changes from 0 to 9 or the
CARRY output when the count changes from 9 to
0. At the other times the BORROW and CARRY out-
put are a logic 1. The CARRY and BORROW out-
puts can be tied directly to the clock-up and
clock-down lines respectively of another HCC/HCF
40110B for easy cascading of several counters.
ORDER CODES :
HCC40110BF
HCF40110BEY
HCF40110BC1
PIN CONNECTIONS
September 1988
1/11






HCF40110B Datasheet, Funktion
HCC/HCF40110B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25 oC, CL = 50 pF, RL = 200 K,
typical temperature coefficent for all VDD values is 03 %/oC, all input rise and fall times= 20 ns)
Symbol
Parameter
CLOCK UP/CLOCK DOWN
tW Pulse Width
fCL Maximum Frequency
tWC Carry Pulse Width
tWB Borrow Pulse Width
RESET
tPLH
tPHL
Propagation Delay Time
Reset to Clock
Delay from Reset to First Allowable Clock
tW Pulse Width
Test Conditions
Value
Unit
VDD (V) Min. Typ. Max.
5 85
10 35
ns
15 15
5 2.5
10 5 MHz
15 8
5 225
10 100
15 70
ns
5 260
10 110
15 80
5 750
10 285
15 200
5 300
10 125
15 75
5 150
10 60
15 40
ns
TEST CIRCUITS
Quiescent Device Current.
Noise Immunity.
6/11

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