MAX232 Datasheet

Max232 pins
The MAX232 datasheet specifies that the IC is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5-V supply. Each receiver converts TIA/EIA-232-F inputs to 5-V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can accept ±30-V inputs. Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.

MAX232 Applications/Uses

  • Battery-Powered RS-232 Systems
  • Interface Translation
  • Low-Power Modems
  • Multidrop RS-232 Networks
  • Portable Computing

MAX232 Features

  • Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
  • Operates From a Single 5-V Power Supply With 1.0-F Charge-Pump Capacitors
  • Operates Up To 120 kbit/s
  • Two Drivers and Two Receivers
  • ±30-V Input Levels
  • Low Supply Current… 8 mA Typical
  • ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A)
  • Upgrade With Improved ESD (15-kV HBM) and 0.1-F Charge-Pump Capacitors is Available With the MAX202

AT89S52 Datasheet

AT89S52 microcontroller
The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The AT89S52 provides the following standard features: 8K bytes of Flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry.

AT89S52 Features

  • Compatible with MCS®-51 Products
  • 8K Bytes of In-System Programmable (ISP) Flash Memory
  • Endurance: 10,000 Write/Erase Cycles
  • 4.0V to 5.5V Operating Range
  • Fully Static Operation: 0 Hz to 33 MHz
  • Three-level Program Memory Lock
  • 256 x 8-bit Internal RAM
  • 32 Programmable I/O Lines
  • Three 16-bit Timer/Counters
  • Eight Interrupt Sources
  • Full Duplex UART Serial Channel
  • Low-power Idle and Power-down Modes
  • Interrupt Recovery from Power-down Mode
  • Watchdog Timer
  • Dual Data Pointer
  • Power-off Flag
  • Fast Programming Time

74HC595 Datasheet – Download 74595 PDF

74HC595 IC
The 74HC595 datasheet specifies that this IC is a 8-stage serial shift registers with a storage register and 3-state outputs. The registers have separate clocks. contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register.

红包扫雷苹果下载地址data is shifted on the positive-going transitions of the shift register clock input (shcp). the data in each register is transferred to the storage register on a positive-going transition of the storage register clock input (stcp). if both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register.

74HC595 pin configuration

74HC595 features

  • 8-bit serial input
  • 8-bit serial or parallel output
  • Storage register with 3-state outputs
  • Shift register with direct clear
  • 100 MHz (typical) shift out frequency

LM5008 Datasheet

Lm5008 pin connection
红包扫雷苹果下载地址 The LM5008 step-down switching regulator features all of the functions needed to implement a low cost, efficient, Buck bias regulator. This high voltage regulator contains an 100V N-Channel Buck Switch. The device is easy to implement and is provided in the VSSOP-8 and the thermally enhanced WSON-8 packages. The regulator is based on a hysteretic control scheme using an ON time inversely proportional to Vin. This features allows the operating frequency to remain relatively constant.

LM5008 applications

  • non-isolated telecommunication buck regulator
  • secondary high voltage post regulator
  • +42V automative systems

PIC12F629 and PIC12F675 Datasheet

红包扫雷苹果下载地址pic12f629 and pic12f675 are 8-pin flash-based 8-bit cmos microcontrollers. the pic12f629 and pic12f675 devices are identical, except the pic12f675 has a 10-bit a/d converter. they come in 8-pin pdip, soic, mlf-s and dfn packages.

High-Performance RISC CPU:

  • Only 35 Instructions to Learn
    • All single-cycle instructions except branches
  • Operating Speed:
    • DC – 20 MHz oscillator/clock input
    • DC – 200 ns instruction cycle
  • Interrupt Capability
  • 8-Level Deep Hardware Stack
  • Direct, Indirect, and Relative Addressing modes

PIC12F629/675 Special Microcontroller Features:

  • Internal and External Oscillator Options
  • Power-Saving Sleep mode
  • Wide Operating Voltage Range – 2.0V to 5.5V
  • Industrial and Extended Temperature Range
  • Low-Power Power-on Reset (POR)
  • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
  • Brown-out Detect (BOD)
  • Watchdog Timer (WDT) with Independent Oscillator for Reliable Operation
  • Multiplexed MCLR/Input Pin
  • Interrupt-on-Pin Change
  • Individual Programmable Weak Pull-ups
  • Programmable Code Protection
  • High Endurance Flash/EEPROM Cell

IC 4060 Datasheet

the 74hc/hct4060 are high-speed si-gate cmos devices and are pin compatible with “4060” of the “4000b” series. the 74hc/hct4060 are 14-stage ripple-carry counter/dividers and oscillators with three oscillator terminals (rs, rtc and ctc), ten buffered outputs (q3 to q9 and q11 to q13) and an overriding asynchronous master reset (mr). the oscillator configuration allows design of either rc or crystal oscillator circuits. the oscillator may be replaced by an external clock signal at input rs.

LM741 IC Datasheet

According to the datasheet LM741 IC is a general purpose single operational amplifier.
红包扫雷苹果下载地址 The UA741 is a high performance monolithic operational amplifier constructed on a single silicon chip. You can find some interesting circuits .

741 pin connection

红包扫雷苹果下载地址741 8 pin package

741 14 pin configuration

红包扫雷苹果下载地址741 14 pin package

741 features

  • large input voltage range
  • no latch-up
  • high gain
  • short-circuit protection
  • no frequency compensation required
  • same pin configuration as UA709

741 usage

  • summing amplifier
  • voltage follower
  • integrator
  • active filter
  • function generator