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PDF UPD7800 Data sheet ( Hoja de datos )
| Número de pieza | UPD7800 | |
| Descripción | High End Single Chip 8-Bit Microcomputer | |
| Fabricantes | NEC Electronics | |
| Logotipo |  |
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NEe Microcomputers, Inc.
NEe
JLPD7800
DESCRIPTION
HIGH END SINGLE CHIP 8-BIT MICROCOMPUTER
ROM-LESS DEVELOPMENT DEVICE
The NEC tlPD7800 is an advanced 8-bit general purpose single-chip microcomputer
fabricated with N-channel Silicon Gate MOS Technology_ Intended as a ROM-less
development device for NEC tlPD7801/7802 designs, the tlPD7800 can also be used
as a powerful microprocessor in volume production enabling program memory flexi-
bility_ Basic on-chip functional blocks include 128 bytes of RAM data memory, 8-bit
ALU, 32 I/O lines, Serial I/O port, and 12-bit timer. Fully compatible with the
industry standard 8080A bus structure, expanded system operation can be easily
implemented using any of 8080A/8085A peripheral and memory products. Total
memory address space is 64K bytes.
FEATU RES
• NMOS Silicon Gate Technology Requiring Single +5V Supply.
• Single-Chip Microcomputer with On-Chip ALU. RAM and I/O
- 128 Bytes RAM
- 32 I/O Lines
• Internal 12-Bit Programmable Timer
• On-Chip 1 MHz Serial Port
• Five-Level Vectored, Prioritized Interrupt Structure
- Serial Port
- Timer
- 3 External Interrupts
• Bus Expansion Capabilities
- Fully 8080A Bus Compatible
;- 64K Byte Memory Address Range
• Wait State Capability
• Alternate Z80™ Type Register Set
• Powerful 140 Instruction Set
• 8 Address Modes; Including Auto-Increment/Decrement
• Multi-Level Stack-Capabilities
• Fast 2 tls Cycle Time
• Bus Sharing Capabilities
PIN CONFIGURATION
AS,!
rr
DB-
DBt
DB!
DB.
D8~
DB;
DB
DB,
INT:
INT·
INT(
WAii
M
WR
m:
PCj
PC,
PC,
PC,
PC,
PC2
PC,
PCo
S'CK
SI
SO
Jmri'
STB
X,
Vss lov)
Vee (+5V)
AB'4
AB'3
A8'2
AB11
AB'0
ABO
ABB
AB7
AB.
ABS
AB,
ABJ
'B2
AB,
ABO
PB7
PBS
PBs
PB,
PBJ
PB2
PB,
PBo
PA7
PA6
PAS
PA,
PA,
PA2
PA,
PAo
239
1 page  
jI.,PD7800
ABSOLUTE MAXIMUM
RATINGS*
Operating Temperature ........ , ..................... -lOoe to +70oe
Storage Temperature ........................... , . .. -65°e to +125°e
Voltage On Any Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -O.3V to +7.0V
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 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 device
reliabilitY .
DC CHARACTE RISTICS
Ta = -10 - +70°C, VCC = +5.0V ± 10%
PARAMETER
LIMITS
TEST
SYMBOL MIN TYP MAX UNITS CONDITIONS
Input Low Voltage
VIL 0
0,8 V
Input High Voltage
VIH1
VIH2
2.0
3,8
VCC
VCC
V
V
Except SCK, Xl
SCK,Xl
Output Low Voltage
VOL
0.45 V
IOL = 2,0 rnA
Output High Voltage
VOHl
VOH2
2.4
2.0
V IOH =-100/lA
V IOH = -500 /lA
Low Level Input Leakage Current
ILiL
-10 /lA VIN = OV
High Level Input Leakage Current
ILiH
10 /lA VIN = VCC
Low Level Output Leakage Current ILOL
-10 /lA VOUT = 0.45V
High Level Output Leakage Current ILOH
10 /lA VOUT = VCC
VCC Power Supply Current
ICC
110 200
rnA
CAPACITANCE Ta = 25°C, VCC = GNO = OV
PARAMETER
Input Capacitance
Output Capacitance
Input/Output Capacitance
LIMITS
SYMBOL MIN TYP MAX
CI 10
Co 20
CIO 20
TEST
UNITS CONDITIONS
pF
Ic = 1 MHz
pF All pins not'
pF under test at OV
243
5 Page 
PACKAGE OUTLINE
ILPD7800C
STRAIGHT LEADS
~------A------~
JLPD7800
~l
ITEM
M
(Plastic)
MILLIMETERS
INCHES
05.0.1
0.02 ! 0004
36.1
'"
01&'0011
.'.".
00' , GOO~
BENT LEADS
II
rr I I ~~
I. I " .111
24
(Unlt:mm)
7BOODS-12-80-CAT
249
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet UPD7800.PDF ] | |
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