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CD40108BMS

Features: • High Voltage Type (20V Rating)• Four 4-Bit Registers• One Input and Two Output Buses• Unlimited Expansion in Bit and Word Directions• Data Lines have latched Inputs• 3-State Outputs• Separate Control of Each Bus, Allowing Simultaneous Independe...

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SeekIC No. : 004311170 Detail

CD40108BMS: Features: • High Voltage Type (20V Rating)• Four 4-Bit Registers• One Input and Two Output Buses• Unlimited Expansion in Bit and Word Directions• Data Lines have latche...

CD40108BMS Data Sheet

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Part Number:
CD40108BMS
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:

• High Voltage Type (20V Rating)
• Four 4-Bit Registers
• One Input and Two Output Buses
• Unlimited Expansion in Bit and Word Directions
• Data Lines have latched Inputs
• 3-State Outputs
• Separate Control of Each Bus, Allowing Simultaneous Independent Reading of Any of Four Registers on Bus A and Bus B and   Independent Writing Into Any of the Four Registers
• CD40108BMS is Pin-Compatible with Industry Type MC14580
• Standardized Symmetrical Output Characteristics
• 100% Tested for Quiescent Current at 20V
• Maximum Input Current of 1A at 18V Over Full Package Temperature Range; 100nA at 18V and +25
• Noise Margin (Over Full Package/Temperature Range)
- 1V at VDD = 5V
- 2V at VDD = 10V
- 2.5V at VDD = 15V
• 5V, 10V and 15V Parametric Ratings
• Meets All Requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices"


Application

• Scratch-Pad Memories
• Arithmetic Units
• Data Storage


Pinout

Connection Diagram


Specifications

DC Supply Voltage Range, (VDD) . . . . . . . . . . .. . . . .  . . . . .  . . . . -0.5V to +20V
(Voltage Referenced to VSS Terminals)
Input Voltage Range, All Inputs . . . . . . . . . . . . . . . . . . .. . . .-0.5V to VDD +0.5V
DC Input Current, Any One Input . . . . . . . .. . . . . .  . . . . . . . . . . . . . . . .±10mA
Operating Temperature Range. . . . . . . . . . . .. . . . . . . . . . . . . . -55 to +125
Package Types D, F, K, H
Storage Temperature Range (TSTG) . . . . . .. . . . . . . . . .  . . . . . -65 to +150
Lead Temperature (During Soldering) . . . . . . . . . . . . . . . . .. . . . . . . . . . +265
At Distance 1/16 ± 1/32 Inch (1.59mm ± 0.79mm) from case for 10s Maximum


Description

The CD40108BMS is a 4 x 4 multiport register containing four 4-bit registers, write address decoder, two separate read address decoders, and two 3-state output buses.

When CD40108BMS ENABLE input is low, the corresponding output bus is switched, independently of the clock, to a high-impedance state. The high-impedance third state provides the outputs with the capability of being connected to the bus lines in a bus-organized system without the need for interface or pull-up components.

When CD40108BMS WRITE ENABLE input is high, all data input lines are latched on the positive transition of the CLOCK and the data is entered into the word selected by the write address lines. When WRITE ENABLE is low, the CLOCK is inhibited and no new data is entered. In either case, the contents of any word may be accessed via the read address lines independent of the state of the CLOCK input.

The CD40108BMS is supplied in these 24-lead outline packages:

Braze Seal DIP ...H4V
Ceramic Flatpack.. H4P




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