DS89C450-QNL+ Maxim Integrated Products, DS89C450-QNL+ Datasheet - Page 5
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DS89C450-QNL+
Manufacturer Part Number
DS89C450-QNL+
Description
IC MCU FLASH 64KB 33MHZ 44-PLCC
Manufacturer
Maxim Integrated Products
Series
89Cr
Datasheet
1.DS89C450-KIT.pdf
(46 pages)
Specifications of DS89C450-QNL+
Core Processor
8051
Core Size
8-Bit
Speed
33MHz
Connectivity
EBI/EMI, SIO, UART/USART
Peripherals
Power-Fail Reset, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LCC, 44-PLCC
Processor Series
89C
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
DS89C450-K00
Minimum Operating Temperature
- 40 C
Interface Type
UART
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
AC CHARACTERISTICS (continued)
(V
PSEN Low to Valid Instruction
In
Input Instruction Hold After
PSEN
Input Instruction Float After
PSEN
Port 0 Address to Valid
Instruction In
Port 2 Address to Valid
Instruction In
PSEN Low to Port 0 Address
Float
RD Pulse Width (P3.7)
(Note 16)
WR Pulse Width (P3.6)
(Note 16)
RD (P3.7) Low to Valid Data In
(Note 16)
Data Hold After RD (P3.7)
Data Float After RD (P3.7)
MOVX ALE Low to Input Data
Valid (Note 16)
CC
= 4.5V to 5.5V, T
PARAMETER
O
= -40°C to +85°C.) (See
SYMBOL
t
t
t
t
t
t
t
t
WLWH
t
t
t
t
AVIV0
AVIV2
RLRH
RLDV
RHDX
RHDZ
PLAZ
LLDV
PLIV
PXIX
PXIZ
t
t
CLCL
CLCL
+ t
+ t
MIN
PAGE MODE 1
0
0
STC1
STC1
- 5
- 5
1-CYCLE
Figure
t
CLCL
t
t
+ t
CLCL
CLCL
MAX
STC1
- 18
- 20
- 20
1,
Figure
t
t
CLCL
CLCL
+ t
+ t
MIN
PAGE MODE 1
0
0
STC1
STC1
2, and
- 5
- 5
2-CYCLE
1.5t
t
Figure
CLCL
t
+ t
CLCL
CLCL
MAX
STC1
- 18
5 of 46
- 20
- 20
3.)
2t
2t
+ t
+ t
CLCL
CLCL
MIN
PAGE MODE 1
0
STC1
0
STC1
4-CYCLE
- 5
- 5
2.5t
2t
2t
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
CLCL
+ t
CLCL
CLCL
MAX
STC1
- 18
- 20
- 20
2t
2t
+ t
+ t
CLCL
CLCL
MIN
PAGE MODE 2
0
0
STC1
STC1
- 5
- 5
1.5t
t
2t
CLCL
2t
3t
t
t
CLCL
CLCL
+ t
CLCL
+ t
CLCL
MAX
CLCL
CLCL
0
STC1
- 20
STC1
- 5
- 18
- 5
- 8
- 22
- 20
2t
2t
+ t
+ t
NONPAGE MODE
CLCL
CLCL
MIN
0
0
STC1
STC1
- 5
- 5
3.5t
2t
2t
3t
2t
t
t
CLCL
CLCL
+ t
CLCL
+ t
MAX
CLCL
CLCL
CLCL
CLCL
0
STC1
STC1
- 5
- 18
- 5
- 20
- 22
- 20
- 5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns