CHIP MICROCOMPUTER. UCOM-44 Datasheet

UCOM-44 MICROCOMPUTER. Datasheet pdf. Equivalent


NEC UCOM-44
NEe Microcomputers, Inc.
NEe
~COM-44
4-81T SINGLE CHIP MICROCOMPUTERS
DESC R IPTION
The MCOM-44 4-bit single chip microcomputers described below comprise the
medium·performance portion of the MCOM-4 Microcomputer Family. They are dis·
tinguished from other MCOM-4 products by their ROM and RAM, and their extensive
351ine I/O capability.
FEATURES.1000x8ROM
• 64 x 4 RAM
• 10 MS Instruction Cycle Time, Typical
• 58 Powerful Instructions
- Table Look·Up Capability with CZP and JPA Instructions
- Single Bit Manipulation of RAM or I/O Ports
• 1-Level Subroutine Stack (MPD651 has a 2-Level Stack)
• Extensive I/O Capability
Two 4-Bit Input Ports
Two 4-Bit I/O Ports
Four 4-Bit Output Ports
One 3-Bit Output Port
• Software Testable Interrupt
• Built·ln Clock Signal Generation Circuitry
• Built-In RESET Circuitry
• Single Power Supply
• Low Power Consumption
• PMOS or CMOS Technologies
• 42-Pin Plastic DIP
• Choice of 5 Different Products to Suit a Variety of Applications
Part #
"PD547
"PD547L
"PD552
"PD651C
"PD651G
Technology
PMOS
PMOS
PMOS
CMOS
CMOS
Power
Supply
-10V
-8V
-10V
+5V
+5V
Package
42-pin DIP
42-pin DIP
42-pin DIP
42-pin DIP
52-pin Flat
Plastic
Features
35V Vacuum Fluorescent
Display Drive
181


UCOM-44 Datasheet
Recommendation UCOM-44 Datasheet
Part UCOM-44
Description 4-BIT SINGLE CHIP MICROCOMPUTER
Feature UCOM-44; NEe Microcomputers, Inc. NEe ~COM-44 4-81T SINGLE CHIP MICROCOMPUTERS DESC R IPTION The MCOM-44 .
Manufacture NEC
Datasheet
Download UCOM-44 Datasheet




NEC UCOM-44
jLCOM-44
RAM
RAM
64x 4
MCOM-44
BLOCK DIAGRAM
INSTRUCTION BUS 8 BIT
CONTROL
AND
DECODe
8 BIT
110
INTERFACE
4 BIT
8 BIT
1o
INT RES
STACK 1
I~P0651 ONLYI
MCOM-44 PACKAGE
OUTLINES
~------------------E----------------~
ITEM
A
B
C
D
E
F
G
H
I
J
K
L
M
MILLIMETERS
56.0 MAX
2.6 MAX
2.54
0.5 + 0.1
50.8
1.5
3.2MIN
0.5 MIN
5.22 MAX
5.72 MAX
15.24
13.2
0.3± 0.1
INCHES
2.2 MAX
0.1 MAX
0.1
0.02 + 0.004
2.0
0.059
0.126 MIN
0.02 MIN
0.20 MAX
0.22 MAX
0.6
0.52
0.01 ± 0.004
42-PIN DIP
IlPD 547
MPD547L
MPD552
MPD651C
182



NEC UCOM-44
52-PIN FLAT PLASTIC
PACKAGE
pPD651G
JLCOM-44
ITEM
A
B
C
0
E
F
G
MILLIMETERS
12.0 MAX.
1.0' 0.1
14.0
0.4
21.8· 0.4
0.15
2.6
INCHES
0.47 MAX.
0.04' 0.004
O.SE
0.Q16
0.86' 0.016
0.006
0.1
!,COM-44DS-12-80-CAT
183





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