參數(shù)資料
型號(hào)： MIC50396CN
廠商： MICREL INC
元件分類： 通用總線功能
英文描述： Six Decade Counter / Display Decoder Not Recommended for New Designs
中文描述： 50396 SERIES, SYN POSITIVE EDGE TRIGGERED 6-BIT BIDIRECTIONAL DISPLAY DRIVER COUNTER, PDIP40
封裝： PLASTIC, DIP-40
文件頁(yè)數(shù)： 1/6頁(yè)
文件大小： 63K
代理商： MIC50396CN
8-4
August 1998
MIC50395/50396/50397
Micrel
General Description
The MIC50395 is an ion-implanted, P-channel MOS six-
decade synchronous up/down-counter/display driver with
compare-register and storage-latches. The counter as well
as the register can be loaded digit-by-digit with BCD data.
The counter has an asynchronous-clear function.
Scanning is controlled by the scan oscillator input which is
self-oscillating or can be driven by an external signal. The
six-decade register is constantly compared to the state of
the six-decade counter and when both the register and the
counter have the same content, an EQUAL signal is gener-
ated. The contents of the counter can be transferred into the
6-digit latch which is then multiplexed from MSD to LSD in
BCD and 7-segment format to the output. The seven-
segment decoder incorporates a leading-zero blanking
circuit which can be disabled by an external signal. This
device is intended to interface directly with the standard
CMOS logic families.
The MIC50396 and MIC50397 operate identically to the
MIC50395 except that two digits in each were reprogrammed
to provide divide by six circuitry instead of divide by ten. The
MIC50396 is well suited for industrial timer applications while
the MIC50397 is best suited for stop watch or real time
computer clock applications.
Features
Single power supply
Schmitt-Trigger on the count-input
Drives common anode or cathode displays (CA with buffer)
Six decades of synchronous up/down counting
Look-ahead carry or borrow
Loadable counter
Loadable compare-register with comparator output
Multiplexed BCD and seven-segment outputs
Internal scan oscillator
Direct LED segment drive
Interfaces directly with CMOS logic
Leading zero blanking
MIC50396 programmed to count time:
– 99 hrs. 59 min. 59 sec.
MIC50397 programmed to count time:
– 59 hrs. 59 min. 99/100 min.
MIC50395/50396/50397
Six Decade Counter / Display Decoder
Pin Connection
Ordering Information
Part Number
Temp. Range
Package
MIC50395CN
0
°
C to 70
°
C
40-pin Plastic DIP
MIC50396CN
0
°
C to 70
°
C
40-pin Plastic DIP
MIC50397CN
0
°
C to 70
°
C
40-pin Plastic DIP
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10
31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
UP/DOWN
ZERO
CARRY
COUNT INHIBIT
COUNT
RA
RB
RC
RD
REGISTER
BCD
IN
LOAD COUNTER
LOAD REGISTER
D6
D5
D4
D3
MSD
DIGIT
D2
D1
STROBES
LSD
EQUAL
SCAN
VDD
MIC50395CN
MIC50396CN
MIC50397CN
SET
LZB
a
b
c
d
e
f
g
A
B
C
D
CD
CC
CB
CA
CLEAR
STORE
SEGMENTS
BCD
OUT
COUNTER
BCD
IN
VSS
a
g
d
f
e
b
c
Segment Identification
Not Recommended for New Designs
相關(guān)PDF資料
PDF描述
MIC50397 Six Decade Counter / Display Decoder Not Recommended for New Designs
MIC50397CN Six Decade Counter / Display Decoder Not Recommended for New Designs
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MIC5162BMM Dual Regulator Controller For High-Speed Bus Termination
MIC5162YMM Dual Regulator Controller For High-Speed Bus Termination
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC50397 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Six Decade Counter / Display Decoder Not Recommended for New Designs
MIC50397CN 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Six Decade Counter / Display Decoder Not Recommended for New Designs
MIC50397N 制造商:Micrel Inc 功能描述:7-SEGMENT-OUTPUT DECADE UP-DOWN COUNTER, PDIP40
MIC50398 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Six Decade Counter / Display Decoder
MIC50398CN 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Six Decade Counter / Display Decoder
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