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CDP1852DE, CDP185303, CDP1853C

Table of contents:
Info of CDP1852DE
Info of CDP185303
Info of CDP1853C

CDP1852DE, CDP185303, CDP1853C Selling Leads, Datasheet

MFG:HAR Package Cooled:CDIP16

CDP1852DE, CDP185303, CDP1853C Datasheet download

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Part Number: CDP1852DE

MFG: HAR

Package Cooled: CDIP16

D/C:

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CDP1853C General Description

The CDP1853 and CDP1853C are 1 of 8 decoders designed for use in general purpose microprocessor systems. These devices, which are functionally identical, are specifically designed for use as gated N-bit decoders and interface directly with the 1800-series microprocessors without additional components. The CDP1853 has a recommended operating voltage range of 4V to 10.5V, and the CDP1853C has a recommended operating voltage range of 4V to 6.5V.

When CHIP ENABLE (CE) is high, the selected output will be true (high) from the trailing edge of CLOCK A (high-to-low transition) to the trailing edge of CLOCK B (high-to-low transition). All outputs will be low when the device is not selected (CE = 0) and during conditions of CLOCK A and CLOCK B as shown in Figure 2. The CDP1853 inputs N0, N1, N2, CLOCK A, and CLOCK B are connected to an 1800-series microprocessor outputs N0, N1, N2, TPA, and TPB respectively, when used to decode I/O commands as shown in Figure 5. The CHIP ENABLE (CE) input provides the capability for multiple levels of decoding as shown in Figure 6.

The CDP1853 can also be used as a general 1 of 8 decoder for I/O and memory system applications as shown in Figure 4.

The CDP1853 and CDP1853C are supplied in hermetic 16-lead dual-in-line ceramic (D suffix) and plastic (E suffix) packages.

CDP1853C Maximum Ratings

DC Supply Voltage Range, (V_DD)
   (All voltage values referenced to V_SS terminal)
   CDP1853 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +11V
   CDP1853C. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . -0.5V to +7V
Input Voltage Range, All Inputs . . . . . . . .   . . -0.5V to V_DD +0.5V
DC Input Current, any One Input . . . . . . . . . . . . . . . . . . .±10mA

CDP1853C Features

• Provides Direct Control of Up to 7 Input and 7 Output Devices
• CHIP ENABLE (CE) Allows Easy Expansion for Multilevel I/O Systems

CDP1853C Connection Diagram

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