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NXP Semiconductors Electronic Components Datasheet



7403

4-Bit x 64-word FIFO register; 3-state



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7403 pdf
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT7403
4-Bit x 64-word FIFO register;
3-state
Product specification
Supersedes data of October 1990
File under Integrated Circuits, IC06
September 1993



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7403 pdf
Philips Semiconductors
4-Bit x 64-word FIFO register; 3-state
Product specification
74HC/HCT7403
FEATURES
Synchronous or asynchronous
operation
3-state outputs
30 MHz (typical) shift-in and
shift-out rates
Readily expandable in word and bit
dimensions
Pinning arranged for easy board
layout: input pins directly opposite
output pins
Output capability: driver (8 mA)
ICC category: LSI.
APPLICATIONS
High-speed disc or tape controller
Communications buffer.
GENERAL DESCRIPTION
The 74HC/HCT7403 are high-speed
Si-gate CMOS devices. They are
specified in compliance with JEDEC
standard no.7A.
The “7403” is an expandable, First-In
First-Out (FIFO) memory organized
as 64 words by 4 bits. A guaranteed
15 MHz data-rate makes it ideal for
high-speed applications. A higher
data-rate can be obtained in
applications where the status flags
are not used (burst-mode).
With separate controls for shift-in (SI)
and shift-out (SO), reading and
writing operations are completely
independent, allowing synchronous
and asynchronous data transfers.
Additional controls include a
master-reset input (MR), an output
enable input (OE) and flags. The
data-in-ready (DIR) and
data-out-ready (DOR) flags indicate
the status of the device.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns.
SYMBOL
PARAMETER
CONDITIONS
tPHL/tPLH
fmax
CI
CPD
propagation delay SO,
SI to DIR and DOR
maximum clock
frequency
input capacitance
power dissipation
capacitance per
package
CL = 15 pF;
VCC = 5 V
note 1
TYP.
UNIT
HC HCT
15 17 ns
30 30 MHz
3.5 3.5 pF
475 490 pF
Note
1. For HC the condition is VI = GND to VCC.
For HCT the condition is VI = GND to VCC 1.5 V.
ORDERING INFORMATION
EXTENDED
TYPE NUMBER
74HC/HCT7403N
74HC/HCT7403D
PINS
16
16
PACKAGE
PIN POSITION MATERIAL
DIL
SO16L
plastic
plastic
CODE
SOT38Z
SOT162
September 1993
2



Part Number 7403
Description 4-Bit x 64-word FIFO register; 3-state
Maker NXP - NXP
Total Page 28 Pages
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