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PDF UPD554 Data sheet ( Hoja de datos )
| Número de pieza | UPD554 | |
| Descripción | 4-BIT SINGLE CHIP MICROCOMPUTER | |
| Fabricantes | NEC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UPD554 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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NEe Microcomputers, Inc.
4-81T SINGLE CHIP MICROCOMPUTER
NEe
Jl-PD554
DESCRIPTION
The J,lP0554 is the standard J,lCOM-45 4·bit single chip microcomputer. with high
voltage outputs that can be'pulled to -35V for direct interfacing to vacuum fluores-
cent displays. The J,lP0554 is manufactured with a standard PMOS process. allowing
use of a single -1 OV power supply. The J,lP0554 provides all of the hardware features
of the J,lCOM-45 family. and executes all 58 instructions of the J,lCOM-45 instruction
set.
PIN CONFIGURATION
Cll
PCo
PC,
PC2
PCa
POo
PO,
P02
POa
PEO
PEl
PE2
PE3
VSS
Clo
VGG
RESET
iNT
PAa
PA2
PAl
PAo
PGO
PF3
PF2
PF,
PFo
TEST
PAo-PAa
PCo,PC3
POO-P03
PEo·PEa
PFo·PFa
PGO
INT
ClO·Cll
RESET
VGG
VSS
TEST
PIN NAMES
Input Port A
Input/Output Port C
Input/Output Port 0
Output Port E
Output Port F
Output Port G
Interrupt Input
External Clock Signals
Reset
Power Suppl y Negative
Power Supply Positi ve
Factory Test Pi n
(Connect to V55)
II
ABSOLUTE MAXIMUM
RAT INGS*
Operating Temperature................................-10·C to +70·C
Storage Temperature ................................ -40·C to +125·C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . .-15 to +0.3 Volts
Input Voltages (Port A. i'N'T. RESET) .....................-15 to +0.3 Volts
(Ports C, 0) ......•........•..•.........-40 to +0.3 Volts
Output Voltages ...............•...................-40 to +0.3 Volts
Output Current (Ports C, 0, each bit) . . . . . . . . . . . . . . . . . . . . . . . . . . . -4 rnA
(Ports E, F, G, each bit) • . . . . . . . . . . . . . . . . . . . . . . . . -15 rnA
(Total, all ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . .. -60 rnA
COMMENT: Stress above those listed under "Absolute Maximum Ratings" may cause permanent
damege to the davice. This is a stra.1 rating only and functional operation of tha davica 8t the.. or
any other condition. above tho.. indicated in the operational ..ctlonl of this specification is not
implied. Exposure to absolute maximum rating conditions tor axtended periods may affect davlca
reliability.
199
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet UPD554.PDF ] | |
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