MFG:Fairchild Semiconductor Category:Integrated Circuits (ICs) Package Cooled:SOP-3.9-16P D/C:04+
74AC191, 74AC191PC, 74AC191SC Datasheet download
Category: Integrated Circuits (ICs)
MFG: Fairchild Semiconductor
Package Cooled: SOP-3.9-16P
D/C: 04+
Description: IC COUNTER UP/DOWN 4-BIT 16-SOIC
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PDF/DataSheet Download
Datasheet: 74AC191
File Size: 119272 KB
Manufacturer:
Download : Click here to Download
PDF/DataSheet Download
Datasheet: 74AC191PC
File Size: 117976 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: 74AC191SC
File Size: 117976 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
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.
| Product | Product status | Eco Status | Pricing* | Package type | Leads | Packing method | Package Drawing | Package Marking Convention** |
|---|---|---|---|---|---|---|---|---|
| 74AC191MTC | Full Production | RoHS Compliant | $0.245 | TSSOP | 16 | RAIL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: AC191 | |
| 74AC191MTCX | Full Production | RoHS Compliant | $0.61 | TSSOP | 16 | TAPE REEL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: AC191 | |
| 74AC191PC | Full Production | RoHS Compliant | $0.67 | DIP | 16 | RAIL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &4 (4-Digit Date Code) &K Line 2: 74AC191PC | |
| 74AC191SC | Full Production | RoHS Compliant | $0.54 | SOIC | 16 | RAIL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC191 | |
| 74AC191SCX | Full Production | RoHS Compliant | $0.52 | SOIC | 16 | TAPE REEL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC191 | |
| 74AC191SJ | Full Production | RoHS Compliant | $0.72 | SOP | 16 | RAIL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC191 | |
| 74AC191SJX | Full Production | RoHS Compliant | $0.80 | SOP | 16 | TAPE REEL | Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC191 |
| * Fairchild 1,000 piece Budgetary Pricing |
| ** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples |
Package marking information for product 74AC191 is available. Click here for more information . |
| Technical/Catalog Information | 74AC191PC |
| Vendor | Fairchild Semiconductor |
| Category | Integrated Circuits (ICs) |
| Logic Type | Binary Counter |
| Trigger Type | Positive Edge |
| Voltage - Supply | 2 V ~ 6 V |
| Number of Bits per Element | 4 |
| Number of Elements | 1 - Single |
| Direction | Up, Down |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP |
| Reset | - |
| Packaging | Tube |
| Operating Temperature | -40°C ~ 85°C |
| Count Rate | 133MHz |
| Timing | Synchronous |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | 74AC191PC 74AC191PC |
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.
| Technical/Catalog Information | 74AC191SC |
| Vendor | Fairchild Semiconductor |
| Category | Integrated Circuits (ICs) |
| Logic Type | Binary Counter |
| Trigger Type | Positive Edge |
| Voltage - Supply | 2 V ~ 6 V |
| Number of Bits per Element | 4 |
| Number of Elements | 1 - Single |
| Direction | Up, Down |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC |
| Reset | - |
| Packaging | Tube |
| Operating Temperature | -40°C ~ 85°C |
| Count Rate | 133MHz |
| Timing | Synchronous |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | 74AC191SC 74AC191SC |
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.
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