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KS57P0408

Features: Memory ` 512 * 4-bit RAM ` 4096 * 8-bit ROM: KS57C0404 ` 8192* 8-bit ROM: KS57C040836 I/O Pins ` Input only: 4 pins ` I/O: 24 pins ` N-channel open-drain I/O: 8 pinsMemory-Mapped I/O Structure ` Data memory bank 158-Bit Basic Timer ` 4 interval timer functionsTwo 8-Bit Timer/Counters ` P...

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SeekIC No. : 004387523 Detail

KS57P0408: Features: Memory ` 512 * 4-bit RAM ` 4096 * 8-bit ROM: KS57C0404 ` 8192* 8-bit ROM: KS57C040836 I/O Pins ` Input only: 4 pins ` I/O: 24 pins ` N-channel open-drain I/O: 8 pinsMemory-Mapped I/O Struc...

KS57P0408 Data Sheet

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Part Number:
KS57P0408
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Memory
  ` 512 * 4-bit RAM
  ` 4096 * 8-bit ROM: KS57C0404
  ` 8192* 8-bit ROM: KS57C0408
36 I/O Pins
  ` Input only: 4 pins
  ` I/O: 24 pins
  ` N-channel open-drain I/O: 8 pins
Memory-Mapped I/O Structure
  ` Data memory bank 15
8-Bit Basic Timer
  ` 4 interval timer functions
Two 8-Bit Timer/Counters
  ` Programmable interval timer
  ` External event counter function
  ` Timer/counters clock outputs to TCLO0 and TCLO1 pins
Watch Timer
` Time interval generation: 0.5 s, 3.9 ms at
4.19 MHz
  ` 4 frequency outputs to the BUZ pin
8-Bit Serial I/O Interface
  ` 8-bit transmit/receive mode
  ` 8-bit receive mode
  ` LSB-first or MSB-first transmission selectable
Bit Sequential Carrier
  ` Supports 16-bit serial data transfer in arbitrary format
Interrupts
  ` 3 external interrupt vectors
  ` 4 internal interrupt vectors
  ` 2 quasi-interrupts
Power-Down Modes
  ` Idle: Only CPU clock stops
  ` Stop: System clock stops
Oscillation Sources
  ` Crystal or Ceramic for system clock
  ` Oscillation frequency : 0.4 6.0MHz
  ` CPU clock divider circuit (by 4. 8, or 64)
Instruction Execution Times
  ` 0.95, 1.91, 15.3 ms at 4.19 MHz
  ` 0.67, 1.33, 10.7 ms at 6.0 MHz
Operating Temperature
  ` - 40 to 85
Operating Voltage Range
  ` 1.8 V to 5.5 V (Main)
  ` 2.0 V to 5.5 V (OTP)
Package Types
  ` 42-pin SDIP, 44-pin QFP


Pinout



Connection Diagram

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Rating
Units
Supply Voltage
VDD
-
0.3 to + 6.5
V
Input Voltage
VI
All I/O ports
0.3 to VDD + 0.3
V
Output Voltage
VO
-
0.3 to VDD + 0.3
V
Output Current High
IOH
One I/O port active
-15
mA
All I/O ports active
-30
Output Current Low
IOL
One I/O pin active
+ 30 (Peak value)
mA
+ 15(note)
All I/O ports active
+ 100 (Peak value)
+ 60(note)
Operating Temperature
TA
-
40 to + 85
Storage Temperature
Tstg
-
65 to + 150

NOTE: The values for output current low ( IOL ) are calculated as peak value * Duty .



Description

The KS57P0408 single-chip CMOS microcontroller is the OTP (One Time Programmable) version of the S57C0404/C0408 microcontroller. It has an on-chip OTP ROM instead of masked ROM. The EPROM is accessed by serial data format.

The KS57P0408 is fully compatible with the KS57C0404/C0408, both in function and in pin configuration.

Because of its simple programming requirements, the KS57P0408 is ideal for use as an evaluation chip for the KS57C0404/C0408.




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