參數(shù)資料
型號(hào): 933637620112
廠商: NXP SEMICONDUCTORS
元件分類: 諧振器
英文描述: 4000/14000/40000 SERIES, PRESCALER, PDIP18
封裝: PLASTIC, SOT-102-3, DIP-18
文件頁(yè)數(shù): 4/11頁(yè)
文件大?。?/td> 115K
代理商: 933637620112
January 1995
2
Philips Semiconductors
Product specication
Universal timer module
HEF4753B
LSI
DESCRIPTION
The HEF4753B is a universal timer module for counting
and dividing as well as for event-recognition and
manipulation of input sequences.
The following functions are included: synchronization and
edge-detection of the input signal, programmable counter,
clock divider with different lengths, operating mode
decoder, control logic and output multiplexer.
Depending on the operating mode and the application, the
circuit works as a presettable 8-bit counter with
transient-pulse suppression, pulse duration selector
divider, counter, positive or negative edge delaying
module or low-frequency control circuit.
All manipulation possibilities depend on a time scaling,
which is adjustable by the 8-bit programmable counter and
the system clock. The system clock can be divided
internally by 1, 16, 256 or 4096 as input clock for the
counter. In all cases the manipulated input sequence
appears at the only output OUT.
FAMILY DATA, IDD LIMITS category LSI
See Family Specifications
Fig.1 Functional diagram.
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