DS89C450-QNL+ Maxim Integrated Products, DS89C450-QNL+ Datasheet - Page 5

• Manufacturer Part Number: DS89C450-QNL+
• Description: IC MCU FLASH 64KB 33MHZ 44-PLCC
• Manufacturer: Maxim Integrated Products
• Series: 89Cr

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