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Numéro de référence | HCF4029B | ||
Description | BINARY OR BCD DECADE PRESETTABLE UP/DOWN COUNTER | ||
Fabricant | STMicroelectronics | ||
Logo | |||
1 Page
HCC4029B
HCF4029B
PRESETTABLE UP/DOWN COUNTER
BINARY OR BCD DECADE
. MEDIUM SPEED OPERATION - 8MHz (typ.) @
CL = 50pF AND VDD-VSS = 10V
. MULTI-PACKAGE PARALLEL CLOCKING FOR
SYNCHRONOUS HIGH SPEED OUTPUT RES-
PONSE OR RIPPLE CLOCKING FOR SLOW
CLOCK INPUT RISE AND FALL TIMES
. ”PRESET ENABLE” AND INDIVIDUAL ”JAM”
INPUTS PROVIDED
. BINARY OR DECADE UP/DOWN COUNTING
. BCD OUTPUTS IN DECADE MODE
. STANDARDIZED SYMMETRICAL OUTPUT
CHARACTERISTICS
. 5V, 10V, AND 15V PARAMETRIC RATINGS
. INPUT CURRENT OF 100nA AT 18V AND 25°C
FOR HCC DEVICE
. QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD No. 13A, ”STANDARD
SPECIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
EY
(Plastic Package)
F
(Ceramic Package)
M1
(Micro Package)
C1
(Chip Carrier)
ORDER CODES :
HCC4029BF
H CF 4029 BM 1
HCF4029BEY
H CF 4029 BC 1
DESCRIPTION
The HCC4029B (extended temperature range) and
HCF4029B (intermediate temperature range) are
monolithic integrated circuit, available in 16-lead
dual in-line plastic or ceramic package and plastic
micro package. The HCC/HCF4029B consists of a
four-stage binary or BCD-decade up/down counter
with provisions for look-ahead carry in both counting
modes. The inputs consist of a single CLOCK,
CARRY-IN (CLOCK ENABLE), BINARY/DECADE,
UP/DOWN, PRESET ENABLE, and four individual
JAM signals. Q1, Q2, Q3, Q4 and a CARRY OUT
signal are provided as outputs. A high PRESET EN-
ABLE signal allows information on the JAM INPUTS
to preset the counter to any state asynchronously
with the clock. A low on each JAM line, when the
PRESET-ENABLE signal is high, resets the counter
to its zero count. The counter is advanced one count
at the positive transition of the clock when the
CARRY-IN and PRESET ENABLE signals, are low.
Advancement is inhibited when the CARRY-IN or
PRESET ENABLE signals are high. The CARRY-
OUT signal is normally high and goes low when the
PIN CONNECTIONS
NC = No Internal Connection
September 1988
1/13
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Pages | Pages 13 | ||
Télécharger | [ HCF4029B ] |
No | Description détaillée | Fabricant |
HCF4029B | BINARY OR BCD DECADE PRESETTABLE UP/DOWN COUNTER | STMicroelectronics |
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