DS89C420-QCL Maxim Integrated Products, DS89C420-QCL Datasheet - Page 11

• Manufacturer Part Number: DS89C420-QCL
• Description: IC MCU ULTRA 33MHZ HP 44-PLCC
• Manufacturer: Maxim Integrated Products
• Series: 89Cr

Specifications of DS89C420-QCL

• 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: 16KB (16K 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: 0°C ~ 70°C
• Package / Case: 44-LCC, 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

POWER CYCLE TIMING CHARACTERISTICS
(V
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
Note 2: Startup time for a crystal varies with load capacitance and manufacturer. Time shown is for a 11.0592MHz crystal manufactured by Fox
Note 3: Reset delay is a synchronous counter of crystal oscillations after crystal startup. Counting begins when the level on the XTAL1 pin
FLASH MEMORY PROGRAMMING CHARACTERISTICS
(V
Crystal Startup Time
Power-On Reset Delay
Oscillator Frequency
Address Setup to PROG Low
Address Hold After PROG
Data Setup to PROG Low
Data Hold After PROG
PROG Pulse Width
Address to Data Valid
Enable Low to Data Valid
Data Float After Enable
PROG High to PROG Low
CC
CC
= 4.5V to 5.5V; T
= 4.5V to 5.5V; T
Electronics.
meets the V
PARAMETER
PARAMETER
IH2
criteria. At 33MHz, this time is 1.99ms.
A
A
= -40°C to +85°C.) (Note 1)
= +21°C to +27°C.)
SYMBOL
SYMBOL
1 / t
t
t
t
t
t
t
t
t
t
t
t
GHDX
GHAX
DVGL
GLGH
AVQV
EHQZ
GHGL
AVGL
ELQV
POR
CSU
CLCL
(Note 2)
(Note 3)
CONDITIONS
CONDITIONS
11 of 47
48t
48t
48t
48t
MIN
MIN
85
10
4
0
CLCL
CLCL
CLCL
CLCL
65,536
TYP
TYP
8
48t
48t
48t
MAX
MAX
100
6
CLCL
CLCL
CLCL
UNITS
UNITS
t
MHz
ms
CLCL
ms
ms