MC14536BDW View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC14536BDW

Programmable Timer

Motorola => Freescale 

RX

PULSE

GEN.

CLOCK

CX

+V

16

6 8–BYPASS VDD

9A

OUT 1

4

10 B

11 C

12 D

2 RESET

OUT 2 5

1 SET

7 CLOCK INH

15 MONO–IN

14 CLOCK INH

3 IN1

VSS DECODE OUT

13

8

IN1

RESET

DECODE OUT

*tw

POWER UP

*tw ≈ .00247 • RX • CX0.85

tw in µsec

RX in kΩ

CX in pF

NOTE: When Power is first applied to the device with the Reset input going high, Decode Out initializes low. Bringing the Reset

input low enables the chip’s internal counters. After Reset goes low, the 2n/2 negative transition of the clock input causes

Decode Out to go high. Since the Mono–In input is being used, the output becomes monostable. The pulse width of the

output is dependent on the external timing components. The second and all subsequent pulses occur at 2n x (the clock

period) intervals where n = the number of stages selected from the truth table.

Figure 10. Time Interval Configuration Using an External Clock, Reset,

and Output Monostable to Achieve a Pulse Output

(Divide–by–4 Configured)

MC14536B

10

MOTOROLA CMOS LOGIC DATA

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