DS89C450-QNG+ Maxim Integrated Products, DS89C450-QNG+ Datasheet - Page 45

• Manufacturer Part Number: DS89C450-QNG+
• Description: IC MCU FLASH 64KB 25MHZ 44-PLCC
• Manufacturer: Maxim Integrated Products
• Series: 89Cr

Specifications of DS89C450-QNG+

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• 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: DS89C450
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 33 MHz
• Number Of Programmable I/os: 4
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: DS89C450-KIT#
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

PIN CONFIGURATIONS
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE
44 TQFP
40 PLCC
40 PDIP
TOP VIEW
34
44
17
7
18
6
33
PACKAGE CODE
1
DS89C430
DS89C450
DS89C430
DS89C450
PLCC
TQFP
Q44+7
C44+2
P40+3
1
1
23
28
40
39
29
DOCUMENT NO.
22
12
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
21-0293
21-0044
21-0049
45 of 46
P1.2/RXD1
P3.0/RXD0
P1.1/T2EX
P1.3/TXD1
P3.1/TXD0
P1.4/INT2
P1.5/INT3
P1.6/INT4
P1.7/INT5
P3.2/INT0
P3.3/INT1
P3.6/WR
P3.7/RD
P1.0/T2
P3.4/T0
P3.5/T1
XTAL2
XTAL1
RST
VSS
10
11
12
13
14
15
16
17
18
19
20
9
1
2
3
4
5
6
7
8
DS89C430
DS89C450
PDIP
39
38
37
36
35
34
33
32
29
28
27
26
25
24
23
22
21
40
31
30
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
EA/VPP
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
VCC
ALE/PROG
PSEN