HCF40110B

Features:

`SEPARATE CLOCK-UP AND CLOCK-DOWN LINES
`CAPABLE OF DRIVING COMMON CATHODE LEDS AND OTHER DISPLAYS DIRECTLY
`ALLOWS CASCADING WITHOUT ANY EXTERNAL CIRCUITRY
`MAXIMUM INPUT CURRENT OF 1 mA AT18 V (full package-temperature range)
`QUIESCENT CURRENT AT 20 VFORHCCDEVICE
`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
`MEETSALLREQUIREMENTSOFJEDECTENTATIVE STANDARD No. 13 A, "STANDARD SPECIFICATIONS FOR DESCRIPTION OF "B" SERIESCMOS DEVICES"


Pinout




Specifications

Symbol	Parameter	Value	Unit
VDD*	Supply Voltage :HCC Types HCF Types	0.5 to + 20 0.5 to + 18	V V
Vi	Input Voltage	0.5 to VDD + 0.5	V
II	DC Input Current (any one input)	± 10	mA
Ptot	Total Power Dissipation (per package) Dissipation per Output Transistor for Top = Full Package-temperature Range	200 100	mW mW
Top	Operating Temperature : HCC Types HCF Types	55 to + 125 40 to + 85
Tstg	Storage Temperature	65 to + 150

Description

In the  HCC/HCF 40110B  series, the HCC 40110B (extended temperature range) andHCF 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 particular count while the Johnson counter continues to be clocked. The decoder feeds a seven-segment bipolar 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 duration negative-going pulse appears on theBORROW 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 BORROWand CARRY output are a logic 1. The CARRY and BORROW outputs can be tied directly to the clock-up and clock-down lines respectively of another  HCC/HCF 40110B  for easy cascading of several counters.