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Part Name(s) : 74AC169 74AC169CW 74AC169MTC 74AC169SC 74AC169SJ 74AC169SCX 74AC169SJX 74AC169MTCX 74AC169PC Fairchild
Fairchild Semiconductor
Description : 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTER View

General Description
The AC169 is fully SYNCHRONOUS 4-STAGE up/down COUNTER. The AC169 is a modulo-16 binary COUNTER. It features a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the Clock.
   
Features
■ ICC reduced by 50%
SYNCHRONOUS counting and loading
■ Built-In lookahead carry capability
■ Presettable for programmable operation
■ Outputs source/sink 24 mA
   

Part Name(s) : 74F169PC 74F169SC 74F169SCX 74F169SJ 74F169SJX 74F169 Fairchild
Fairchild Semiconductor
Description : 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTER View

General Description
The 74F169 is a fully SYNCHRONOUS 4-STAGE up/down COUNTER. The 74F169 is a modulo-16 binary COUNTER. Features a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the clock.

Features
■ ASYNCHRONOUS counting and loading
■ Built-in lookahead carry capability
■ Presettable for programmable operation

Part Name(s) : 54AC169 54AC169D 54AC169F 54AC169L 54ACT169 54ACT169D 54ACT169F 54ACT169L National-Semiconductor
National ->Texas Instruments
Description : 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTER View

General Description
The ’AC/’ACT169 is fully SYNCHRONOUS 4-STAGE up/down COUNTER. The ’AC/’ACT169 is a modulo-16 binary COUNTER. It features a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the Clock.

Features
■ ICC reduced by 50%
SYNCHRONOUS counting and loading
■ Built-In lookahead carry capability
■ Presettable for programmable operation
■ Outputs source/sink 24 mA
■ ’ACT has TTL-compatible inputs
■ Standard Microcircuit Drawing (SMD) 5962-91603

 

Part Name(s) : 54F169DM 54F169DMQB 74F169 74F169PC 74F169SC 74F169SCX 74F169SJ 74F169SJX 54F169 National-Semiconductor
National ->Texas Instruments
Description : 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTER View

General Description
The ’F169 is a fully SYNCHRONOUS 4-STAGE up/down COUNTER. The ’F169 is a modulo-16 binary COUNTER. Features a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the clock.

Features
■ ASYNCHRONOUS counting and loading
■ Built-in lookahead carry capability
■ Presettable for programmable operation


Part Name(s) : 74F569 N74F569D N74F569N Philips
Philips Electronics
Description : 4-bit BIDIRECTIONAL binary SYNCHRONOUS COUNTER (3-State) View

DESCRIPTION
The 74F569 is a fully SYNCHRONOUS Up/Down binary COUNTER. It features preset capabilities for programmable operation, carry look ahead for programmable operation, carry look ahead for easy cascading, and U/Dinput to control the direction of counting. For maximum flexibility there are both SYNCHRONOUS and Master Reset
inputs as well as both Clocked Carry (CC) and Terminal Count (TC) outputs. All state changes except Master Reset are initiated by rising edge of the clock. A High signal on the Output Enable (OE) input forces the output buffers into the high impedance state but does not prevent counting, resetting or parallel loading.

FEATURES
•4-bit BIDIRECTIONAL counting – binary COUNTER
SYNCHRONOUS counting and loading
•Look ahead carry capability for easy cascading
•Preset capability for programmable operation
•Master Reset (MR) overrides all other inputs
SYNCHRONOUS Reset (SR) overrides counting and parallel loading
•Clock Carry (CC) output to be used as a clock for flip-flops, register and COUNTERs
•3-State outputs for bus organized systems

Part Name(s) : CD74HC40103-Q1 CD74HC40103QM96Q1 HC40103QM96G4Q1 TI
Texas Instruments
Description : HIGH-SPEED CMOS LOGIC 8-STAGE SYNCHRONOUS DOWN COUNTER View

description/ordering information
The CD74HC40103 is manufactured with high-speed silicon-gate technology and consists of an 8-stage SYNCHRONOUS down COUNTER with a single output, which is active when the internal count is zero. The device contains a single 8-bit binary COUNTER. Each device has control inputs for enabling or disabling the clock, for clearing the COUNTER to its maximum count, and for presetting the COUNTER either SYNCHRONOUSly or aSYNCHRONOUSly. All control inputs and the terminal count (TC) output are active-low logic.
In normal operation, the COUNTER is decremented by one count on each positive transition of the clock (CP) output. Counting is inhibited when the terminal enable (TE) input is high. TC goes low when the count reaches zero, if TE is low, and remains low for one full clock period.
When the SYNCHRONOUS preset enable (PE) input is low, data at the P0−P7 inputs are clocked into the COUNTER on the next positive clock transition, regardless of the state of TE. When the aSYNCHRONOUS preset enable (PL) input is low, data at the P0−P7 inputs aSYNCHRONOUSly are forced into the COUNTER, regardless of the state of the PE, TE, or CP inputs. Inputs P0−P7 represent a single 8-bit binary word for the CD74HC40103. When the master reset (MR) input is low, the COUNTER aSYNCHRONOUSly is cleared to its maximum count of 25510, regardless of the state of any other input. The precedence relationship between control inputs is indicated in the truth table.
If all control inputs except TE are high at the time of zero count, the COUNTERs jump to the maximum count, giving a counting sequence of 10016 or 25610 clock pulses long.

● Qualified for Automotive Applications
SYNCHRONOUS or ASYNCHRONOUS Preset
● Cascadable in SYNCHRONOUS or Ripple
   Mode
● Fanout (Over Temperature Range)
   − Standard Outputs . . . 10 LSTTL Loads
   − Bus Driver Outputs . . . 15 LSTTL Loads
● Balanced Propagation Delay and Transition
   Times
● Significant Power Reduction Compared to
   LSTTL Logic ICs
● VCC Voltage = 2 V to 6 V
● High Noise Immunity NIL or NIH = 30% of
   VCC, VCC = 5 V

Part Name(s) : M54HC40102 M54HC40102F1R M54HC40103 M54HC40103F1R M74HC40102 M74HC40103 M74HC40102B1R M74HC40103B1R M74HC40102M1R M74HC40103M1R M74HC40102C1R M74HC40103C1R M74HC40103 M74HC40103B1R M74HC40103M1R M74HC40103RM13TR M74HC40103TTR ST-Microelectronics
STMicroelectronics
Description : 8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTER View

DESCRIPTION
The M54/74HC40102/40103 are high speed CMOS 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while main taining the CMOS low power dissipation.
The HC40102, and HC40103 consist of an 8-stage SYNCHRONOUS down COUNTER with a single output which is active when the internal count is zero. The HC40102 is configured as two cascaded 4-bit BCD COUNTERs, and the HC40103 contains a single 8-bit binary COUNTER. Each type has control inputs for en abling or disabling the clock, for clearing the COUNTER to its maximum count, and for presetting the COUNTER either SYNCHRONOUSly or aSYNCHRONOUSly.

■ HIGH SPEED
   fMAX = 40 MHz (TYP.) at VCC = 5 V
■ LOW POWER DISSIPATION
   ICC = 4 µA (MAX.) at TA = 25 °C
■ HIGH NOISE IMMUNITY
   VNIH = VNIL = 28 % VCC (MIN.)
■ OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS
■ SYMMETRICAL OUTPUT IMPEDANCE
   |IOH| = IOL = 4 mA (MIN.)
■ BALANCED PROPAGATION DELAYS
   PLH = tPHL
■ WIDE OPERATING VOLTAGE RANGE
   VCC (OPR) = 2 V to 6 V
■ PIN AND FUNCTION COMPATIBLE WITH 40102B/40103B

Part Name(s) : MC74F779D MC74F779N MC74F779 MC74F779J Motorola
Motorola => Freescale
Description : 8-BIT BIDIRECTIONAL BINARY COUNTER (3-STATE) View

8-BIT BIDIRECTIONAL BINARY COUNTER (3-STATE)

The MC74F779 is a fully SYNCHRONOUS 8-stage up/down COUNTER with multiplexed 3-state I/O ports for bus-oriented applications. All control functions (hold, count up, count down, SYNCHRONOUS load) are controlled by two mode pins (S0, S1). The device also features carry look-ahead for easy cascading. All state changes are initiated by the rising edge of the clock.

• Multiplexed 3-State I/O Ports For Bus-oriented Applications
• Built-In Look-Ahead Carry Capability
• Count Frequency 145 MHz Typ
• Supply Current 90 mA Typ
• Fully SYNCHRONOUS Operation
• Separate Pins for Master Reset and SYNCHRONOUS Reset
• Center Power Pins to Reduce Effects of Package Inductance
• See F269 for 24-Pin Separate I/O Port Version
• See F579 for 20-Pin Version
• ESD Protection > 4000 Volts

Part Name(s) : MM74HC4020MTC MM74HC4020MTCX Fairchild
Fairchild Semiconductor
Description : 14-STAGE Binary COUNTER ? 12-Stage Binary COUNTER View

General Description
The MM74HC4020, MM74HC4040, are high speed binary ripple carry COUNTERs. These COUNTERs are implemented utilizing advanced silicon-gate CMOS technology to achieve speed performance similar to LS-TTL logic while retaining the low power and high noise immunity of CMOS.
The MM74HC4020 is a 14 stage COUNTER and the MM74HC4040 is a 12-stage COUNTER. Both devices are incremented on the falling edge (negative transition) of the input clock, and all their outputs are reset to a low level by applying a logical high on their reset input.
These devices are pin equivalent to the CD4020 and CD4040 respectively. All inputs are protected from damage due to static discharge by protection diodes to VCC and ground.

Features
■ Typical propagation delay: 16 ns
■ Wide operating voltage range: 2–6V
■ Low input current: 1 µA maximum
■ Low quiescent current: 80 µA maximum (74HC Series)
■ Output drive capability: 10 LS-TTL loads

 

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