M54972 Mitsubishi, M54972 Datasheet

M54972

Manufacturer Part Number

M54972

Description

Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER

Manufacturer

Mitsubishi

Datasheet

1.M54972.pdf (6 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

M54972FP

Manufacturer:

RENESAS

Quantity:

8 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

M54972FP

Manufacturer:

RENESAS/瑞萨

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

M54972P

Manufacturer:

MIT

Quantity:

5 510

Company:

Meier Automation Equipment Co., Limited

Part Number:

M54972P

Manufacturer:

MITSUBISHI

Quantity:

20 000

Current page: 1 of 6
Download datasheet (951Kb)

DESCRIPTION

The M54972 is a semiconductor integrated circuit consisting of 8

stages of CMOS shift registers and latches with serial inputs and

serial or parallel outputs. It is based on Bi-CMOS process

technology, and has 8 bipolar drivers at the parallel outputs.

FEATURES

APPLICATION

Dot drivers for thermal print heads. Serial/parallel conversion.

Drivers for relays and solenoids.

FUNCTION

The M54972 consists of 8 stages of D-type flip flops connected to

8 latches.

Data is input to serial input S-IN, and clock pulses are input to

clock input T. When the clock changes from low to high, the input

data enters the first shift register and data already in the shift

registers is shifted sequentially.

The serial output S-OUT is used to connect multiple M54972 to

expand the number of parallel outputs. S-OUT is connected to S-IN

of the next stage.

BLOCK DIAGRAM

Serial input and serial or parallel output

Serial output enables cascade connection

Built-in latch for each stage

Enable input provides output control

Low supply current (standby current I

Serial I/O level is compatible with typical CMOS devices

Driver features: High withstand voltage (BV

Capable of large drive currents (I

Low output saturation voltage V

Wide operating temperature range T

Power supply

Enable input

Serial input

Latch input

Clock

LATCH

S-IN

L-GND

Logic GND

O(max)

< 0.6V at l

=-20 – +75 C

=300mA)

10 A)

CEO

=300mA

30V)

L D

Parallel outputs

L D

Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER

For parallel output. When the clock pulse changes from low to

high, latch input (LATCH) is high and output enable input (EN) is

low the serial input data at S-IN appears at output O1 and the other

data already present is shifted sequentially to outputs O2 through

O8.

The parallel outputs are inverted.

When the latch input is held low, the latch retains the stored data.

When the EN input is high, outputs O1 through O8 all turn off. As

the internal logic is unstable when the power is turned on, the EN

input should be kept high (setting outputs O1 through O8 off) until

input data is set and the internal logic is initialized.

L-GND is the GND of CMOS logic circuit and P-GND is the GND of

output driver circuits O1 through O8 which employ bipolar

transistors capable of large drive currents.

PIN CONFIGURATION (TOP VIEW)

Power supply

Serial output

Enable input

Driver GND

Serial input

Logic GND

Latch input

L D

Clock

MITSUBISHI <CONTROL / DRIVER IC>

L D

LATCH

P-GND

L-GND

S-OUT

S-IN

L D

Outline

16P4(P)

16P2N-A(FP)

M54972P/FP

P-GND

S-OUT

Parallel outputs

Driver GND

Serial output

Related parts for M54972

M54972 Summary of contents

Page 1

... Dot drivers for thermal print heads. Serial/parallel conversion. Drivers for relays and solenoids. FUNCTION The M54972 consists of 8 stages of D-type flip flops connected to 8 latches. Data is input to serial input S-IN, and clock pulses are input to clock input T. When the clock changes from low to high, the input data enters the first shift register and data already in the shift registers is shifted sequentially ...

Page 2

... The shaded area shows the unstable state. INPUT/OUTPUT CIRCUIT DIAGRAM 1 Inputs with pullup resistors (EN, LATCH Serial output (S-OUT L-GND Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER 2 Inputs with pulldown resistors (T, S-IN L-GND 4 Parallel outputs (O1 – O8) MITSUBISHI <CONTROL / DRIVER IC> M54972P/ L-GND V CC P-GND L-GND ...

Page 3

... MITSUBISHI <CONTROL / DRIVER IC> M54972P/FP Ratings -0.5 – +8 -0.5 – V +0.5 CC -0.5 – V +0.5 CC -0.5 – +30 300 M54972P 1.25 M54972FP 0.8 -20 – 75 -55 – 125 Limits Min. Typ M54972P M54972FP Limits Min. Typ. 0. 0.3V 50 4.9 -100 400 Limits Min. Typ. 200 200 100 100 400 Unit ...

Page 4

... N C =15pF Output C L 2.5V 2. PHL PLH 2.5V 2. PLH PHL 2.5V MITSUBISHI <CONTROL / DRIVER IC> M54972P/FP 90% 90% 10% 10 r(T) f(T) 2.5V 2.5V t w(L) Limits Min. Typ. The input waveform: t 20ns, t 20ns r f The capacitance C includes the stray L wiring capacitance and probe input capacitance. 2.5V 2 ...

Page 5

... MITSUBISHI <CONTROL / DRIVER IC> M54972P/ Supplyvoltage V (V) CC Duty cycle vs. allowable output current (M54972P Repetitive frequency >10H Z Each figure in a circle shows the number of output circuits which operate simultaneously. Current value : output current per circuit ...

Page 6

... Driver output V vs. I (common 600 400 200 0 0 0.5 Low-level output voltage V (V) OL MITSUBISHI <CONTROL / DRIVER IC> Bi-CMOS 8-BIT SERIAL-INPUT LATCHED DRIVER 1.0 M54972P/FP ...

Related keywords

M54972 datasheet
M54972 data sheet
M54972 pdf datasheet
M54972 component
M54972 part
M54972 distributor
M54972 RoHS
M54972 datasheet download