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PDF UPD554L Data sheet ( Hoja de datos )
| Número de pieza | UPD554L | |
| Descripción | 4-BIT SINGLE CHIP MICROCOMPUTER | |
| Fabricantes | NEC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UPD554L (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
,.,. PD554L
DESCRIPTION
The j.lPD554L is a j.lCOM-45 4-bit single chip microcomputer with high voltage out-
puts. and low power consumption_ The outputs can be pulled to -35V for direct
interfacing to vacuum fluorescent displays. The j.lPD554L is manufactured with a low-
power-consumption PMOS process, allowing use of a -8V, low current power supply.
The j.lPD554 L 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
PCt 3
PC2 4
PC3 5
POo 6
POI 7 j.lPD
P02 8 554L
P03 9
PEO
PEl
PE2
PE3
Vss
CLo
VGG
RESET
iNT
PA3
PA2
PAl
PAO
PGo
PF3
PF2
PFI
PFo
TEST
PAO-PA3
PCO-PC3
POO-P03
PEO-PE3
PFO-PF3
PGO
ClO-Cll
INT
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
External Clock Signals
Interrupt Input
Reset
Power Suppl y Negative
Power Supply Positi ve
Factory Test Pi n
(Connect to VSS)
II
ABSOLUTE MAXIMUM
RATlNGS*
Operating Temperature..................... _... _......-10?Cto +70°C
Storage Temperature .........•......... _., _.... _ .... -40°Cto+126°C
Supply Voltage .... _...•..... ; . . . . . . . . . . _. _ ........-16 to +0.3· Volts
Input Voltages (Port A, iNT, RESET) .. _ ...... _ ..... _ .....-16 to +0.3 Volts
(Ports C, D) .....•......•........ _......-40 to +0.3 Volts
Output Voltages ........... , . _.....................-40 to +0.3 Volts
Output Current (Ports C, D, each bit) ....... _.. _ . . . . . . . . . . . . . . . . -4 mA
(Ports E, F, G, each bit) . . . . . . . . . . . . . . . . . . . . . . . . . -15 mA
(Total, all ports) ........ _. . . . . . . . . . . . . . . . . _ .. -60 mA
COMMENT: Stress above 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 cQnditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
*Ta = 25°C
201
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet UPD554L.PDF ] | |
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