PLC18V8Z

Features: • 20-pin Universal Programmable Array Logic• Virtually Zero-Standby-power 20mA (typical)• Available in DIP, PLCC, SOL (Small Outline), SSOP (Shrink Small Outline), and TSSOP (Thin Shrink Small Outline) packages• Functional replacement for Series 20 PAL devices I...

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SeekIC No. : 004463256 Detail

PLC18V8Z: Features: • 20-pin Universal Programmable Array Logic• Virtually Zero-Standby-power 20mA (typical)• Available in DIP, PLCC, SOL (Small Outline), SSOP (Shrink Small Outline), and T...

floor Price/Ceiling Price

Part Number:
PLC18V8Z
Supply Ability:
5000

Price Break

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

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Upload time: 2024/3/28

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Product Details

Description



Features:

• 20-pin Universal Programmable Array Logic
• Virtually Zero-Standby-power 20mA (typical)
• Available in DIP, PLCC, SOL (Small Outline), SSOP (Shrink Small Outline), and TSSOP (Thin Shrink Small Outline) packages
• Functional replacement for Series 20 PAL devices IOL = 24mA
• Up to 18 inputs and 8 input/output macro cells
• Programmable output polarity
• Power-up reset on all registers
• Register Preload capability
• Synchronous Preset/Asynchronous Reset
• Security fuse to prevent duplication of proprietary designs
• Also available in 3V operationthe P3C18V8Z



Application

• Battery powered instruments
• Laptop and pocket computers
• Industrial control
• Medical Instruments
• Portable communications equipment



Pinout

  Connection Diagram  Connection Diagram


Specifications

SYMBOL
PARAMETER
RATINGS
UNIT
Vcc
Supply voltage
0.5 to +7
VDC
Vcc
Operating supply voltage
4.5 to 5.5 (Industrial)
4.75 to 5.25 (Commercial)
VDC
Vin
Input voltage
0.5 to VCC + 0.5
VDC
VOUT
Output voltage
0.5 to VCC + 0.5
VDC
Dt/DV
Input/clock transition rise or fall2
250
ns/V maximum
IIN
Input currents
10 to +10
mA
IOUT
Output currents
+24
mA
Tamb
Operating temperature range
40 to +85 (Industrial)
0 to +75 (Commercial)
TSTG
storage temperature
65 to +150


NOTE:
1. Stresses above those listed may cause malfunction or permanent damage to the device. This is a stress rating only. Functional operation at these or any other condition above those indicated in the operational and programming specification of the device is not implied.

2. All digital circuits can oscillate or trigger prematurely when input rise and fall times are very long. When the input signal to a device is at or near the switching threshold, noise on the line will be amplified and can cause oscillation which, if the frequency is low enough, can cause subsequent stages to switch and give erroneous results. For this reason, Schmitt-triggers are recommended if rise/fall times are likely to exceed 250ns at VCC = 4.5V.




Description

The PLC18V8Z is a universal PAL) device featuring high performance and virtually zero-standby power for power sensitive applications. They are reliable, user-configurable substitutes for discrete TTL/CMOS logic. While compatible with TTL and HCT logic, the PLC18V8Z can also replace HC logic over the VCC range of 4.5 to 5.5V.

The PLC18V8Z is a two-level logic element comprised of 10 inputs, 74 AND gates (product terms) and 8 output Macro cells.

Each output features an "Output Macro Cell" which can be individually configured as a dedicated input, a combinatorial output, or a registered output with internal feedback. As a result, the PLC18V8Z is capable of emulating all common 20-pin PAL devices to reduce documentation, inventory, and manufacturing costs.

A power-up reset function and a Register Preload function have been incorporated in the PLC18V8Z architecture to facilitate state machine design and testing.

With a standby current of less than 100mA and active power consumption of 1.5mA/MHz, the PLC18V8Z is ideally suited for power sensitive applications in battery operated/backed portable instruments and computers.

The PLC18V8Z is also processed to industrial requirements for operation over an extended temperature range of -40°C to +85°C and supply voltage of 4.5V to 5.5V.Ordering information can be found on the following page.




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