datasheetbank_Logo     Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

P/N + Description + Content Search

Search Words :

Part Name(s) : 74F190 74F190PC 74F190SC 74F190SCX Fairchild
Fairchild Semiconductor
Description : UP/DOWN Decade COUNTER WITH PRESET AND RIPPLE CLOCK View

General Description
The 74F190 is a reversible BCD (8421) decade COUNTER featuring synchronous counting AND asynchronous PRESET ting. The PRESET feature allows the 74F190 to be used in programmable dividers. The Count Enable input, the Terminal Count output AND the RIPPLE CLOCK output make possible a variety of methods of implementing multistage COUNTERs. In the counting modes, state changes are  initiated by the rising edge of the CLOCK.

Features
■ High-speed—125 MHz typical count frequency
■ Synchronous counting
■ Asynchronous parallel load
■ Cascadable

 

Part Name(s) : 74AC191CW 74AC191MTC 74AC191MTCX 74AC191PC 74AC191SC 74AC191SCX 74AC191SJ 74AC191SJX 74AC191 Fairchild
Fairchild Semiconductor
Description : UP/DOWN COUNTER WITH PRESET AND RIPPLE CLOCK View

General Description
The AC191 is a reversible modulo 16 binary COUNTER. It features synchronous counting AND asynchronous PRESETting. The PRESET feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output AND the RIPPLE CLOCK output make possible a variety of methods of implementing multistage COUNTERs. In the counting modes, state changes are initiated by the rising edge of the CLOCK.

Features
■ ICC reduced by 50%
■ High speed—133 MHz typical count frequency
■ Synchronous counting
■ Asynchronous parallel load
■ Cascadable
■ Outputs source/sink 24 mA

Part Name(s) : 54AC191 54AC191D 54AC191F 54AC191L 5962-8974901EA 5962-8974901FA JM38510/76305BE JM38510R76305B2 JM38510R76305BE JM38510R76305BF JM38510R76305S2 JM38510R76305SE JM38510R76305SF JM38510_76305BE JM38510_76305BF 5962-89749012A National-Semiconductor
National ->Texas Instruments
Description : UP/DOWN COUNTER WITH PRESET AND RIPPLE CLOCK View

General Description
The ’AC191 is a reversible modulo 16 binary COUNTER. It features synchronous counting AND asynchronous PRESETting. The PRESET feature allows the ’AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output AND the RIPPLE CLOCK output make possible a variety of methods of implementing multistage COUNTERs. In the counting modes, state changes are initiated by the rising edge of the CLOCK.

Features
■ ICC reduced by 50%
■ High speed — 133 MHz typical count frequency
■ Synchronous counting
■ Asynchronous parallel load
■ Cascadable
■ Outputs source/sink 24 mA
■ StANDard Military Drawing (SMD)
   — ’AC191: 5962-89749

 

Part Name(s) : 74F191PC 74F191SC 74F191SCX 74F191SJ 74F191SJX 74F191 74F191 74F191SCX 74F191SJX 74F191PC 74F191SC 74F191SJ 74F191CW Fairchild
Fairchild Semiconductor
Description : UP/DOWN Binary COUNTER WITH PRESET AND RIPPLE CLOCK View

General Description
The 74F191 is a reversible modulo-16 binary COUNTER featuring synchronous counting AND asynchronous PRESETting. The PRESET feature allows the 74F191 to be used in programmable dividers. The Count Enable input, the Terminal Count output AND RIPPLE CLOCK output make possible a variety of methods of implementing multistage COUNTERs. In the counting modes, state changes are initiated by the rising edge of the CLOCK.

Features
■ High-Speed—125MHz typical count frequency
■ Synchronous counting
■ Asynchronous parallel load
■ Cascadable


Part Name(s) : HD74LS191FPEL HD74LS191P HD74LS191 Renesas
Renesas Electronics
Description : Synchronous Up / Down 4-bit Binary COUNTER (single CLOCK line) View

Synchronous Up / Down 4-bit Binary COUNTER (single CLOCK line)

Synchronous operation is provided by having all flip-flops CLOCKed simultaneously so that the steering logic. This mode of operation eliminates the output counting spikes normally associated WITH asynchronous (RIPPLE CLOCK) COUNTERs. The outputs of the four master-slave flip-flops are triggered on a low-to-high-level transition of the CLOCK input if the enable input is high. The direction of the count is determined by the level of the down / up input. When low, the COUNTER counts up AND when high, it counts down. Level changes at the down / up input should be made only when the CLOCK input is high. This COUNTER is fully programmable; that is, the outputs may be PRESET to either level by placing a low on the load input AND entering the desired data at the data inputs. The output will change to agree WITH the data inputs independently of the level of the CLOCK input. This feature allows the COUNTERs to be used as modulo-N dividers by simply modifying the count length WITH the PRESET inputs. The CLOCK, down / up, AND load inputs are buffered to lower the drive requirement which significantly reduces the number of CLOCK drivers, etc., required for long parallel words.

Part Name(s) : 54F191 54F191DM 54F191DMQB 54F191FM 54F191FMQB 54F191LM 54F191LMQB 74F191 74F191PC 74F191SC 74F191SCX 74F191SJ 74F191SJX 74F191DCQB 74F191DCX 74F191DMQB 74F191DMX 74F191FCQB National-Semiconductor
National ->Texas Instruments
Description : UP/DOWN Binary COUNTER WITH PRESET AND RIPPLE CLOCK View

General Description
The ’F191 is a reversible modulo-16 binary COUNTER featuring synchronous counting AND asynchronous PRESETting.

Features
■ High-Speed—125 MHz typical count frequency
■ Synchronous counting
■ Asynchronous parallel load
■ Cascadable

Part Name(s) : 74F191 N74F191N N74F191D Philips
Philips Electronics
Description : UP/DOWN binary COUNTER WITH reset AND RIPPLE CLOCK View

DESCRIPTION
The 74F191 is a 4-bit binary COUNTER. It contains four edge-triggered master/slave flip-flops WITH internal gating AND steering logic to provide asynchronous PRESET AND synchronous count-up AND count-down operations.

FEATURES
• High speed –125MHz typical fMAX
• Synchronous, reversible counting
• 4-Bit binary
• Asynchronous parallel load capability
• Cascadable WITHout external logic
• Single UP/DOWN control input

Part Name(s) : 74F393 N74F393 N74F393D N74F393N Philips
Philips Electronics
Description : Dual 4-bit binary RIPPLE COUNTER View

DESCRIPTION
The 74F393 is a Dual RIPPLE COUNTER WITH separate CLOCK (CPn) AND Master Reset (MR) inputs to each COUNTER. The two COUNTERs are identified by the “a” AND “b” suffixes in the pin configuration. The operation of each half of the 74F393 is the same. The COUNTERs are triggered by a High-to-Low transition of the CLOCK (CPa AND CPb) inputs.

FEATURES
• Two 4-bit binary COUNTERs
• Two Master Resets to clear each 4-bit COUNTER individually

 

Part Name(s) : IT7001M IT7001N ITE
ITE Tech. INC.
Description : Programmable 8-Bit Binary COUNTER WITH Synchronous PRESET Enable View

1.  Features
   (1) Wide Operation Voltage
        -   Vcc= 2.5 to 5.5 V
   (2) Low Static Current (Ta= 25° C)
       -   Icc(Static) = 10 mA (max)
    (3)  Package:
       -   IT7001M: 16-SOP
       -   IT7001N: 16-TSSOP

2.  General Description
The IT7001M/IT7001N consists of 8-bit binary down COUNTER AND D-type Flip Flop. The COUNTER can set up to max256 counts AND synchronous PRESET (SPE_N) input can PRESET the data. When the count value is 0, the next CLOCK pulse PRESETs the data to invert the output. D-type Flip Floptakes the COUNTER output as CLOCK pulse, whose data is transferred to output at the rising edge. It is applied to generate AC signal for STN-type liquid crystal AND dividerfor general usage.

 

 

1

2345678910 Next

All Rights Reserved © datasheetbank.com 2014 - 2019 [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]