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RDD104 Datasheet دیتاشیت PDF دانلود

دیتاشیت - LSI Computer Systems - SELECTABLE 4 DECADE CMOS DIVIDER

شماره قطعه RDD104
شرح مفصل SELECTABLE 4 DECADE CMOS DIVIDER
تولید کننده LSI Computer Systems 
آرم LSI Computer Systems 


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RDD104 شرح
LSI/CSI
RDD 104
U® L
LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (631) 271-0400 FAX (631) 271-0405
A3800
SELECTABLE 4 DECADE CMOS DIVIDER
January 2000
FEATURES:
Selectable Divide by 10 or 100 or 1,000 or 10,000
• Clock Input Shaping Network Accepts Fast or Slow
Edge Inputs
• Active Oscillator Network for External Crystal
• Square Wave Output
• Output TTL Compatible at +4.5 Volt Operation
• High Noise Immunity
• Reset
• All Inputs Protected
• +4.5V to +15V Operation (VDD-VSS)
• Low Power Dissipaton
• RDD104 (DIP); RDD104-S (SOIC) - See Figure 1
PIN ASSIGNMENT - TOP VIEW
DIVIDER
SELECT-1
DIVIDER
SELECT-2
1
2
VSS (-V) 3
RESET
4
8 VDD (+V)
7 OUTPUT
6 CLOCK OUTPUT
5 CLOCK INPUT
DESCRIPTION OF OPERATION:
The RDD104 is a monolithic CMOS four decade
divider circuit that advances on each negative
transition of the input clock pulse. When the reset
input is high the circuit is cleared to zero. The
clock input is applied to a three stage inverting
amplifier network whose output is brought out so
that an external crystal network can be used to
form an oscillator circuit. If the clock output is not
used,the amplifier acts as an input buffer. Two
select inputs are provided which enables the circuit
to divide by 10, 100, 1,000 or 10,000.
FIGURE 1
MAXIMUM RATINGS:
PARAMETER
Storage Temperature
Operating Temperature
DC Supply Voltage
Voltage at any input
SYMBOL
VALUE
UNIT
TSTG
-65 to +150
°C
TA
-40 to +85
°C
(VDD - VSS)
+18
V
VIN VSS - 0.5 to VDD + 0.5 V
DC ELECTRICAL CHARACTERISTICS:
(All voltages referenced to Vss)
VDD -40°C +25°C +85°C
UNIT
Quiescent Device Current 4.5V 10 10 300 uA Max
10V 20 20 600 uA Max
The Output Division is selected according to the
following truth table:
DIVIDER SELECT INPUTS:
SELECT 2 SELECT 1
00
01
10
11
OUTPUT
DIVISION
10,000
1,000
100
10
The information included herein is believed to be
accurate and reliable. However, LSI Computer Systems,
Inc. assumes no responsibilities for inaccuracies, nor for
any infringements of patent rights of others which may
result from its use.
Output Voltage, Low Level
High Level
4.5V
10V
4.5V
10V
0.01
0.01
4.49
9.99
0.01
0.01
4.49
9.99
0.05
0.05
4.45
9.95
V Min
V Min
V Max
V Max
Input Noise Immunity
(Low and High)
4.5V 1.3 1.3 1.3 V Min
10V 3.0 3.0 3.0
V Min
Output Drive Current:
N-Channel Sink Current
(VOUT = Vss + 0.4V)
4.5V 2.3
10V 5.0
1.9
4.0
1.6 mA Min
3.5 mA Min
P-Channel Source Current
(VOUT = VDD - 1V)
4.5V 1.1 0.95
10V 2.5 2.1
0.8 mA Min
1.8 mA Min
Input Capacitance (any input)
5.0 pF Max
RDD104-092491

قانون اساسیصفحه 2
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