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Description : Synchronous Presettable Binary Counter

Synchronous Presettable Binary Counter

ON-Semiconductor
ON Semiconductor
Description : Presettable BCD/DECADE UP/DOWN Counter Presettable 4-BIT Binary UP/DOWN Counter

Presettable BCD/DECADE UP/DOWN Counter
Presettable 4-BIT Binary UP/DOWN Counter

The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 is an UP/DOWN MODULO-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode the circuits operate Synchronously. The outputs change state Synchronous with the LOW-to-HIGH transitions on the clock inputs.
Separate Terminal Count Up and Terminal Count Down outputs are provided which are used as the clocks for a subsequent stages without extra logic, thus simplifying multistage Counter designs. Individual preset inputs allow the circuits to be used as programmable Counters. Both the Parallel Load (PL) and the Master Reset (MR) inputs aSynchronously override the clocks.

• Low Power . . . 95 mW Typical Dissipation
• High Speed . . . 40 MHz Typical Count Frequency
Synchronous Counting
• ASynchronous Master Reset and Parallel Load
• Individual Preset Inputs
• Cascading Circuitry Internally Provided
• Input Clamp Diodes Limit High Speed Termination Effects

Part Name(s) : 74ACT16X 74AC16X
ON-Semiconductor
ON Semiconductor
Description : Synchronous Presettable Binary Counter

Synchronous Presettable Binary Counter

The MC74AC161/74ACT161 and MC74AC163/74ACT163 are high−speed Synchronous modulo−16 Binary Counters. They are Synchronously Presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming Synchronous multistage Counters.

Synchronous Counting and Loading
• High−Speed Synchronous Expansion
• Typical Count Rate of 125 MHz
• Outputs Source/Sink 24 mA
• ′ACT161 and ′ACT163 Have TTL Compatible Inputs
    These devices are available in Pb−free package(s). Specifications herein
    apply to both standard and Pb−free devices. Please see our website at
    www.onsemi.com for specific Pb−free orderable part numbers, or
    contact your local ON Semiconductor sales office or representative.

Description : Presettable BCD/DECADE UP/DOWN Counter Presettable 4-BIT Binary UP/DOWN Counter

Presettable BCD/DECADE UP/DOWN Counter Presettable 4-BIT Binary UP/DOWN Counter

The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 is an UP/DOWN MODULO-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode the circuits operate Synchronously. The outputs change state Synchronous with the LOW-to-HIGH transitions on the clock inputs. Separate Terminal Count Up and Terminal Count Down outputs are provided which are used as the clocks for a subsequent stages without extra logic, thus simplifying multistage Counter designs. Individual preset inputs allow the circuits to be used as programmable Counters. Both the Parallel Load (PL) and the Master Reset (MR) inputs aSynchronously override the clocks.

• Low Power . . . 95 mW Typical Dissipation
• High Speed. . . 40 MHz Typical Count Frequency
Synchronous Counting
• ASynchronous Master Reset and Parallel Load
• Individual Preset Inputs
• Cascading Circuitry Internally Provided
• Input Clamp Diodes Limit High Speed Termination Effects

Description : Presettable Synchronous 4-bit Binary Counter; Synchronous reset

DESCRIPTION
The 74LV163 is a low-voltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT163.
The 74LV163 is a Synchronous Presettable Binary Counter which features an internal look-head carry and can be used for high-speed counting. Synchronous operation is provided by having all flip-flops clocked simultaneously on the positive-going edge of the clock (CP).

FEATURES
• Optimized for low voltage applications: 1.0 to 3.6 V
• Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V
• Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V, Tamb = 25°C
• Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V, Tamb = 25°C
Synchronous counting and loading
• Two count enable inputs for n-bit cascading
• Positive-edge triggered clock
Synchronous reset
• Output capability: standard
• ICC category: MSI

Part Name(s) : MMC4029
Micro-Electronics
Micro Electronics
Description : Presettable UP / DOWN Counter Binary OR BCD - DECADE

Presettable UP / DOWN Counter Binary OR BCD - DECADE

Part Name(s) : 74AC163CW 74ACT163CW
Fairchild
Fairchild Semiconductor
Description : Synchronous Presettable Binary Counter

General Description
The AC/ACT163 are high-speed Synchronous modulo-16 Binary Counters. They are Synchronously Presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming Synchronous multistage Counters. The AC/ACT163 has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously reset on the rising edge of the clock.

Features
■ ICC reduced by 50%
Synchronous counting and loading
■ High-speed Synchronous expansion
■ Typical count rate of 125 MHz
■ Outputs source/sink 24 mA
■ ACT163 has TTL-compatible inputs

Part Name(s) : 74AC161CW 74ACT161CW
Fairchild
Fairchild Semiconductor
Description : Synchronous Presettable Binary Counter

General Description
The AC/ACT161 are high-speed Synchronous modulo-16 Binary Counters. They are Synchronously Presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming Synchronous multistage Counters. The AC/ACT161 has an aSynchronous Master Reset input that overrides all other inputs and forces the outputs LOW.

Features
■ ICC reduced by 50%
Synchronous counting and loading
■ High-speed Synchronous expansion
■ Typical count rate of 125 MHz
■ Outputs source/sink 24 mA
■ ACT161 has TTL-compatible inputs

Description : Synchronous Presettable Binary Counter

The MC74AC161/74ACT161 and MC74AC163/74ACT163 are high–speed Synchronous modulo–16 Binary Counters. They are Synchronously Presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming Synchronous multistage Counters.
   
Synchronous Counting and Loading
• High–Speed Synchronous Expansion
• Typical Count Rate of 125 MHz
• Outputs Source/Sink 24 mA
• ′ACT161 and ′ACT163 Have TTL Compatible Inputs
   

Part Name(s) : HD74ACT161 HD74ACT163
Hitachi
Hitachi -> Renesas Electronics
Description : Synchronous Presettable Binary Counter

Description
The HD74ACT161 and HD74ACT163 are high-speed Synchronous modulo-16 Binary Counters. They are Synchronously Presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming Synchronous multistage Counters. The HD74ACT161 have an aSynchronous Master Reset input that overrides all other inputs and forces the outputs Low. The HD74ACT163 has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously reset on the rising edge of the clock.

Features
Synchronous Counting and Loading
• High-Speed Synchronous Expansion
• Typical Count Rate of 125 MHz
• Outputs Source/Sink 24 mA
• HD74ACT161 and HD74ACT163 have TTL-Compatible Inputs

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