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Part Name(s) : DV74AC161 DV74AC163 DV74ACT161 DV74ACT163 DV74AC161N DV74AC163N DV74ACT161N DV74ACT163N DV74AC161D DV74AC163D DV74ACT161D DV74ACT163D AVG
AVG Semiconductors=>HITEK
Description : SYNCHRONOUS PRESETTABLE BINARY COUNTER

SYNCHRONOUS PRESETTABLE BINARY COUNTER

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Part Name(s) : SN54LS192 SN54LS193 SN54LS193J SN74LS193DR2 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

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Part Name(s) : SN54-74LS192 SN54-74LS193 SN54/74LS192 SN54/74LS193 SN54LS192J SN54LS193J SN74LS192D SN74LS192N SN74LS193D SN74LS193N Motorola
Motorola => Freescale
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

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Part Name(s) : 74LV163 74LV163D 74LV163N 74LV163PW 74LV163DB 74LV163PWDH Philips
Philips Electronics
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

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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

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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

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Part Name(s) : MC74AC161DR2 MC74AC161MR2 MC74AC161MR1 MC74AC161ML2 MC74AC161ML1 MC74AC161MEL MC74AC161M ON-Semiconductor
ON Semiconductor
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
   

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Part Name(s) : 74HC161 74HC161DB,112 74HC161D 74HC161DB 74HC161PW NXP
NXP Semiconductors.
Description : PRESETTABLE SYNCHRONOUS 4-bit BINARY COUNTER; aSYNCHRONOUS reset

General description
The 74HC161 is a SYNCHRONOUS PRESETTABLE BINARY COUNTER with an internal look-head carry.

Features and benefits
• Complies with JEDEC standard no. 7A
• CMOS input levels
SYNCHRONOUS counting and loading
• 2 count enable inputs for n-bit cascading
• ASYNCHRONOUS reset
• Positive-edge triggered clock
• ESD protection:
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
• Multiple package options
• Specified from -40 °C to +85 °C and -40 °C to +125 °C

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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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Part Name(s) : HD74ACT161 HD74ACT161FPEL HD74ACT161RPEL Renesas
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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