MC14516BCL Motorola, MC14516BCL Datasheet

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MC14516BCL

Manufacturer Part Number
MC14516BCL
Description
Binary up/down counter
Manufacturer
Motorola
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Binary Up/Down Counter
MOS P–channel and N–channel enhancement mode devices in a monolithic
structure.
Preset inputs (P0, P1, P2, P3) and then bringing the Preset Enable (PE)
high. The direction of counting is controlled by applying a high (for up
counting) or a low (for down counting) to the UP/DOWN input. The state of
the counter changes on the positive transition of the clock input.
Carry In of the next stage while clocking each counter in parallel. The
outputs (Q0, Q1, Q2, Q3) can be reset to a low state by applying a high to the
reset (R) pin.
Other applications include: (1) Frequency synthesizer applications where
low power dissipation and/or high noise immunity is desired, (2) Analog–to–
digital and digital–to–analog conversions, and (3) Magnitude and sign
generation.
* Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
X = Don’t Care
NOTE: When counting up, the Carry Out signal is normally high and is low only
REV 3
1/94
MAXIMUM RATINGS*
V in , V out
Symbol
MOTOROLA CMOS LOGIC DATA
I in , I out
Carry In
The MC14516B synchronous up/down binary counter is constructed with
This counter can be preset by applying the desired value, in binary, to the
Cascading can be accomplished by connecting the Carry Out to the
This CMOS counter finds primary use in up/down and difference counting.
Motorola, Inc. 1995
V DD
Diode Protection on All Inputs
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Internally Synchronous for High Speed
Logic Edge–Clocked Design — Count Occurs on Positive Going Edge
of Clock
Single Pin Reset
Asynchronous Preset Enable Operation
Capable of Driving Two Low–Power TTL Loads or One Low–Power
Schottky Load Over the Rated Temperature Range
T stg
P D
T L
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
X
X
1
0
0
when Q0 through Q3 are high and Carry In is low. When counting down,
Carry Out is low only when Q0 through Q3 and Carry In are low.
DC Supply Voltage
Input or Output Voltage (DC or Transient)
Input or Output Current (DC or Transient),
per Pin
Power Dissipation, per Package†
Storage Temperature
Lead Temperature (8–Second Soldering)
Up/Down
X
X
X
1
0
(Voltages Referenced to V SS )
Parameter
Enable
Preset
TRUTH TABLE
0
0
0
1
X
Reset
0
0
0
0
1
Clock
X
X
X
– 0.5 to V DD + 0.5
– 0.5 to + 18.0
– 65 to + 150
Count Down
Value
No Count
Count Up
500
260
Action
Preset
Reset
10
Unit
mW
mA
_ C
_ C
V
V
guard against damage due to high static
voltages or electric fields. However, pre-
cautions must be taken to avoid applications of
any voltage higher than maximum rated volt-
ages to this high–impedance circuit. For proper
operation, V in and V out should be constrained
to the range V SS
appropriate logic voltage level (e.g., either V SS
or V DD ). Unused outputs must be left open.
10
15
12
13
This device contains protection circuitry to
Unused inputs must always be tied to an
1
5
9
4
3
T A = – 55 to 125 C for all packages.
ORDERING INFORMATION
MC14XXXBCP
MC14XXXBCL
MC14XXXBD
MC14516B
BLOCK DIAGRAM
PE
CARRY IN
RESET
UP/DOWN
CLOCK
P0
P1
P2
P3
V DD = PIN 16
V SS = PIN 8
v
(V in or V out )
CARRY
OUT
Q0
Q1
Q2
Q3
CASE 751B
CERAMIC
CASE 620
CASE 648
D SUFFIX
L SUFFIX
P SUFFIX
PLASTIC
Plastic
Ceramic
SOIC
SOIC
v
MC14516B
V DD .
6
11
14
2
7
393

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MC14516BCL Summary of contents

Page 1

... NOTE: When counting up, the Carry Out signal is normally high and is low only when Q0 through Q3 are high and Carry In is low. When counting down, Carry Out is low only when Q0 through Q3 and Carry In are low. REV 3 1/94 MOTOROLA CMOS LOGIC DATA Motorola, Inc. 1995 Value Unit – 0 18.0 V – ...

Page 2

... Adc 5.0 7.5 — — pF 0.005 5.0 — 150 Adc 0.010 10 — 300 0.015 20 — 600 Adc MOTOROLA CMOS LOGIC DATA ...

Page 3

... Setup Time Hold Time Preset Enable Pulse Width * The formulas given are for the typical characteristics only #Data labelled “Typ” is not to be used for design purposes but is intended as an Indication of the IC’s potential performance. MOTOROLA CMOS LOGIC DATA ( pF Symbol Symbol TLH , t THL 5 ...

Page 4

... Figure 1. Power Dissipation Test Circuit and Waveform RESET 9 PRESET 1 ENABLE CLOCK 15 CARRY OUT 7 CARRY IN 5 UP/DOWN 10 TOGGLE FLIP–FLOP PARALLEL MC14516B 396 0.01 F CERAMIC CLOCK LOGIC DIAGRAM FLIP–FLOP FUNCTIONAL TRUTH TABLE Preset Enable Don’t Care 90% 50% 10 VARIABLE WIDTH Clock Parallel MOTOROLA CMOS LOGIC DATA ...

Page 5

... Q0, Q1, Q2, Q3, Binary outputs (Pins 6, 11, 14, 2) — Binary data is present on these outputs with Q0 correspond- ing to the least significant bit. Carry Out, (Pin 7) — Used when cascading stages, Carry Out is usually connected to Carry In of the next stage. This MOTOROLA CMOS LOGIC DATA t rem ...

Page 6

... C out goes low for one complete clock cycle, thus allowing the next counter to decrement/increment one count. (See Timing Diagram) The L.S.D. now counts through another cycle (15 clock pulses) and the above cycle is repeated. Figure 3. Presettable Cascaded 8–Bit Up/Down Counter MC14516B 398 out C in M.S.D. CLOCK MC14516B U RESISTORS = TERMINAL COUNT C out INDICATOR MOTOROLA CMOS LOGIC DATA ...

Page 7

... TIMING DIAGRAM FOR THE PRESETTABLE CASCADED 8–BIT UP/DOWN COUNTER MOTOROLA CMOS LOGIC DATA MC14516B 399 ...

Page 8

... P0 to P7. For this divide operation, both counters should be configured in the count down mode. The divide ratio of zero is an undefined state and should be avoided. Figure 4. Programmable Cascaded Frequency Divider MC14516B 400 out C in M.S.D. CLOCK MC14516B U RESISTORS = out = n f out BUFFER out MOTOROLA CMOS LOGIC DATA ...

Page 9

... N SEATING PLANE 0.25 (0.010 –A– 0.25 (0.010) M MOTOROLA CMOS LOGIC DATA OUTLINE DIMENSIONS L SUFFIX CERAMIC DIP PACKAGE CASE 620–10 ISSUE V –B– 0.25 (0.010 SUFFIX PLASTIC DIP PACKAGE CASE 648–08 ISSUE R L SEATING –T– PLANE ...

Page 10

... Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur ...

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