參數(shù)資料
型號(hào): MC14569BDW
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: Programmable Divide-By-N Dual 4-Bit Binary/BCD Down Counter
中文描述: 4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16
封裝: PLASTIC, SOIC-16
文件頁(yè)數(shù): 1/12頁(yè)
文件大小: 323K
代理商: MC14569BDW
MOTOROLA CMOS LOGIC DATA
Motorola, Inc. 1995
1
MC14569B
!#
#
"
The MC14569B is a programmable divide–by–N dual 4–bit binary or BCD
down counter constructed with MOS P–channel and N–channel enhance-
ment mode devices (complementary MOS) in a monolithic structure.
This device has been designed for use with the MC14568B phase
comparator/counter in frequency synthesizers, phase–locked loops, and
other frequency division applications requiring low power dissipation and/or
high noise immunity.
Speed–up Circuitry for Zero Detection
Each 4–Bit Counter Can Divide Independently in BCD or Binary Mode
Can be Cascaded With MC14568B, MC14522B or MC14526B for
Frequency Synthesizer Applications
All Outputs are Buffered
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VDD
Vin, Vout
Iin, Iout
DC Supply Voltage
– 0.5 to + 18.0
V
Input or Output Voltage (DC or Transient)
– 0.5 to VDD + 0.5
±
10
V
Input or Output Current (DC or Transient),
per Pin
mA
PD
Tstg
TL
Power Dissipation, per Package
500
mW
Storage Temperature
– 65 to + 150
C
Lead Temperature (8–Second Soldering)
260
C
* Maximum Ratings are those values beyond which damage to the device may occur.
Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125 C
Ceramic “L” Packages: – 12 mW/ C From 100 C To 125 C
BLOCK DIAGRAM
CTL = Low for Binary Count
CTL = High for BCD Count
CASCADE
FEEDBACK
CLOCK
9
7
VDD = PIN 16
VSS = PIN 8
15
1ZERO
DETECT
Q
CLOCK
LOAD
ZERO DETECT ENCODER
BINARY/BCD
COUNTER #1
BINARY/BCD
COUNTER #2
P0 P1
P2
P3
CTL1CTL2
P4 P5
P6
P7
14
13
12
11
10
2
6
5
4
3
SEMICONDUCTOR TECHNICAL DATA
REV 3
1/94
L SUFFIX
CERAMIC
CASE 620
ORDERING INFORMATION
MC14XXXBCP
MC14XXXBCL
MC14XXXBDW
TA = – 55
°
to 125
°
C for all packages.
Plastic
Ceramic
SOIC
P SUFFIX
PLASTIC
CASE 648
DW SUFFIX
SOIC
CASE 751G
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PDF描述
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MC145706P 制造商:Motorola Inc 功能描述: