IDT74FCT299ASOB datasheet(2/7 Pages) IDT

2 / 7 page

IDT54/74FCT299/A/C

FAST CMOS 8-INPUT UNIVERSAL SHIFT REGISTER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

7.11

PIN CONFIGURATIONS

DIP/SOIC/CERPACK

TOP VIEW

LCC

TOP VIEW

ABSOLUTE MAXIMUM RATINGS

(1)

Symbol

Rating

Commercial

Military

Unit

VTERM

(2) Terminal Voltage

–0.5 to +7.0

with Respect

to GND

VTERM

(3) Terminal Voltage

–0.5 to VCC

with Respect

to GND

Operating

0 to +70

–55 to +125

°C

Temperature

TBIAS

Temperature

–55 to +125

–65 to +135

°C

Under Bias

TSTG

Storage

–55 to +125

–65 to +150

°C

Temperature

Power Dissipation

0.5

IOUT

DC Output Current

120

NOTES:

2561 tbl 03

1. Stresses greater than those listed under ABSOLUTE MAXIMUM

RATINGS may cause permanent damage to the device. This is a stress

rating only and functional operation of the device at these or any other

conditions above those indicated in the operational sections of this

specification is not implied.

Exposure to absolute maximum rating

conditions for extended periods may affect reliability. No terminal voltage

may exceed Vcc by +0.5 unless otherwise noted.

2. Inputs and VCC terminals only.

3. Outputs and I/O terminals only.

CAPACITANCE (TA = +25

°C, f = 1.0MHz)

Symbol

Parameter

(1)

Conditions

Typ. Max. Unit

CIN

Input Capacitance

VIN = 0V

CI/O

I/O Capacitance

VOUT = 0V

NOTE:

2561 tbl 04

1. This parameter is guaranteed by characterization data and not tested.

FUNCTION TABLE

(1)

Inputs

MR S1

Response

Asynchronous Reset Q0–Q7 = LOW

↑ Parallel Load; I/On → Qn

↑ Shift Right; DS0 → Q0, Q0 → Q1, etc.

↑ Shift Left; DS7 → Q7, Q7→ Q6, etc.

Hold

NOTE:

2561 tbl 02

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

↑ = LOW-to-HIGH clock transition

OE1

Vcc

P20-1

D20-1

S020-2

E20-1

OE2

I/O6

I/O4

I/O2

GND

DS7

I/O7

I/O5

I/O

I/O1

I/O0

DS0

PIN DESCRIPTION

Pin Names

Description

Clock Pulse Input (Active Edge Rising)

DS0

Serial Data Input for Right Shift

DS7

Serial Data Input for Left Shift

S0, S1

Mode Select Inputs

Asynchronous Master Reset Input (Active LOW)

OE1, OE2

3-State Output Enable Inputs (Active LOW)

I/O0–I/O7

Parallel Data Inputs or 3-State Parallel Outputs

Q0, Q7

Serial Outputs

2561 tbl 01

L20-2

INDEX

2561 drw 02

I/O6

I/O4

I/O2

I/O0

DS7

I/O7

I/O5

I/O3

9 10 11 12 13

20 19

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