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Part Name(s) : DM74LS298N DM74LS298 DM54LS298J DM54LS298W DM74LS298 DM74LS298M DM74LS298N DM54LS298 Fairchild
Fairchild Semiconductor
Description : Quad 2-Port Register Multiplexer with Storage View

General Description
The DM74LS298 is a Quad 2-Port Register. It is the logical equivalent of a Quad 2-input multiplexer followed by a Quad 4-bit edge-triggered Register. A Common Select input selects between two 4-bit input ports (data sources). The selected data is transferred to the output Register synchronous with the HIGH-to-LOW transition of the Clock input.

Features
■ Select from two data sources
■ Fully edge-triggered operation
■ Typical power dissipation of 65 mW

Part Name(s) : SN54LS398 SN54LS398J SN54LS399 SN54LS399J SN74LS398 SN74LS398N SN74LS398DW SN74LS398D SN74LS399 SN74LS399N Motorola
Motorola => Freescale
Description : Quad 2-Port Register View

The SN54/74LS398 and SN54/74LS399 are Quad 2-Port Registers. They are the logical equivalent of a Quad 2-input multiplexer followed by a Quad 4-bit edge-triggered Register. A Common Select input selects between two 4-bit input ports (data sources). The selected data is transferred to the output Register on the LOW-to-HIGH transition of the Clock input. The SN54/74LS398 features both Q and Q inputs, while the SN54/74LS399 has only Q outputs.

• Select From Two Data Sources
• Fully Positive Edge-Triggered Operation
• Both True and Complemented Outputs on SN54/74LS398
• Input Clamp Diodes Limit High-Speed Termination Effects

Part Name(s) : 9338 9338DMQB 9338FMQB DM9338 DM9338N National-Semiconductor
National ->Texas Instruments
Description : 8-Bit Multiple Port Register View

General Description

The DM9338 is an 8-bit multiple port Register designed for high speed random access memory applications where the ability to simultaneously read and write is desirable. A common use would be as a Register bank in a three address computer. Data can be written into any one of the eight bits and read from any two of the eight bits simultaneously.



 


Part Name(s) : 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 ETC
Unspecified
Description : Quad Port T1/E1 View

[FILTRAN]



T1/CEPT(Quad Port T1/E1)



•  Eight transformers in a SMD package supporting four transmit and four receive channels

•  Units matched to leading dual and Quad T1/E1/CEPT/ISDN-PRI IC’s Quad Port T1/E1 8150-



Part Name(s) : 74F399 N74F399N N74F399D Philips
Philips Electronics
Description : Quad 2-Port Register View

DESCRIPTION
The 74F398 and 74F399 are the logical equivalent of a Quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines which of two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge of the clock.

FEATURES
• Select inputs from two data sources
• Fully positive edge-triggered
• Both True and Complementary outputs–74F398

Part Name(s) : XF00137-32S XFMRS
XFMRS Inc.
Description : T1/E1/CEPT Quad PORT View

T1/E1/CEPT Quad PORT

Part Name(s) : MC54F398 MC54F398J MC74F398DW MC74F398 MC74F398N Motorola
Motorola => Freescale
Description : Quad 2-Port Register View

The MC54/74F398 is the logical equivalent of a Quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines which of the two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge of the clock.

• Select Inputs from Two Data Sources
• Fully Positive Edge-Triggered Operation
• Both True and Complement Outputs

Part Name(s) : DM93L38N DM93L38 Fairchild
Fairchild Semiconductor
Description : 8-Bit Multiple Port Register View

General Description
The DM93L38 is an 8-bit multiple port Register designed for high speed random access memory applications where the ability to simultaneously read and write is desirable. A common use would be as a Register bank in a three address computer. Data can be written into any one of the eight bits and read from any two of the eight bits simultaneously. The circuit uses TTL technology and is compatible with all TTL families.

Features
■ Master/slave operation permitting simultaneous write/read without race problems
■ Simultaneously read two bits and write one bit in any one of eight bit positions
■ Readily expandable to allow for larger word sizes

Part Name(s) : MC54F399 MC54F399J MC74F399 MC74F399D MC74F399N Motorola
Motorola => Freescale
Description : Quad 2-Port Register View

The MC54/74F399 is the logical equivalent of a Quad 2-input multiplexer feeding into four edge-triggered flip flops. A common Select input determines which of the two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge of the clock. The MC54/74F399 is the 16-pin version of the MC54/74F398, with only the Q outputs of the flip-flops available.

• Select Inputs from Two Data Sources
• Fully Positive Edge-Triggered Operation

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