參數(shù)資料
型號： HCF40192M013TR
廠商： STMICROELECTRONICS
元件分類： 計數(shù)器
英文描述： 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16
封裝： SO-16
文件頁數(shù)： 5/12頁
文件大?。?/td> 597K
代理商： HCF40192M013TR
HCF40192B
2/12
low one-half clock cycle after the counter reaches
its minimum count in the count-down mode. The
cascading
of
multiple
packages
is
easily
accomplished without the need for additional
external circuitry by tying the BORROW and
CARRY outputs to the CLOCK DOWN and
CLOCK UP inputs, respectively, of the following
package.
IINPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
FUNCTIONAL DIAGRAM
PIN No
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
Q1 to Q4
Flip-Flop Outputs
4
CLOCK
DOWN
Clock Down Input
5
CLOCK UP
Clock Up Input
11
PRESET
ENABLE
Preset Enable Input
12
CARRY
Count Up (Carry)
13
BORROW
Count Down (Borrow)
14
RESET
Reset Input
15, 1, 10, 9
J1 to J4
Data Input
8
VSS
Negative Supply Voltage
16
VDD
Positive Supply Voltage
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