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DM54LS491 Datasheets (4)

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National Semiconductor

Part	ECAD Model	Manufacturer	Description	Datasheet Type	PDF	PDF Size	Page count
DM54LS491		National Semiconductor		Original	PDF	129.44KB	4
DM54LS491A		National Semiconductor	10-Bit Counter	Original	PDF	149.87KB	6
DM54LS491AJ		National Semiconductor	10-Bit Counter	Original	PDF	149.86KB	6
DM54LS491J		National Semiconductor		Original	PDF	129.44KB	4

DM54LS491 Datasheets Context Search

Catalog Datasheet	Type	Document Tags	PDF
74ls491 Contextual Info: July 1989 DM54LS491/74LS491 10-Bit Counter General Description Features/Benefits The ten-bit counter can count up, count down, set, and load 2 LSB’s, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET overrides LOAD, COUNT and HOLD. LOAD overrides COUNT.	OCR Scan	DM54LS491/74LS491 10-Bit 24-pin nputs59 74ls491	PDF
Contextual Info: July 1989 Semiconductor & DM54LS491A/DM74LS491A 10-Bit Counter General Description Features The ten-bit counter can count up, count down, set, and load 2 LSB’s, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET over	OCR Scan	DM54LS491A/DM74LS491A DM54LS491A/DM74LS491A 10-Bit 24-pin	PDF
DM74LS491N Contextual Info: LS491 S National Semiconductor DM54LS491/74LS491 10-Bit Counter General Description Features/Benefits The ten-bit counter can count up, count down, set, and load 2 LSB’s, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET over	OCR Scan	LS491 24-pin DM54LS491/74LS491 10-Bit 10-Blt DM74LS491N	PDF
74ls491 Abstract: 200II Contextual Info: LS491 531 National JuM Semiconductor DM54LS491/74LS491 10-Bit Counter General Description Features/Benefits The ten-bit counter can count up, count down, set, and load 2 LSB's, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET over	OCR Scan	DM54LS491/74LS491 10-Bit 24-pin 390ii 74ls491 200II	PDF
02D7 Contextual Info: O T National æ æ Semiconductor DM54LS491/74LS491 10-Bit Counter General Description Features/Benefits The ten-bit counter can count up, count down, set, and load 2 LSB's, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET over	OCR Scan	DM54LS491/74LS491 10-Bit 24-pin LS491 02D7	PDF
74ls491 Abstract: 74ls491 timing diagram DM74LS491N 8332 prom C1995 DM54LS491 DM54LS491J DM74LS491J J24F N24C Contextual Info: DM54LS491 74LS491 10-Bit Counter General Description Features Benefits The ten-bit counter can count up count down set and load 2 LSB’s 2 MSB’s and 6 middle bits high or low as a group All operations are synchronous with the clock SET overrides LOAD COUNT and HOLD LOAD overrides COUNT	Original	DM54LS491 74LS491 10-Bit 24-pin 74ls491 timing diagram DM74LS491N 8332 prom C1995 DM54LS491J DM74LS491J J24F N24C	PDF
C1995 Abstract: DM54LS491A DM54LS491AJ DM74LS491A DM74LS491AJ DM74LS491AN DM74LS491AV J24F N24C V28A Contextual Info: DM54LS491A DM74LS491A 10-Bit Counter General Description Features The ten-bit counter can count up count down set and load 2 LSB’s 2 MSB’s and 6 middle bits high or low as a group All operations are synchronous with the clock SET overrides LOAD COUNT and HOLD LOAD overrides COUNT	Original	DM54LS491A DM74LS491A 10-Bit 24-pin DM54LS491AJ C1995 DM74LS491A DM74LS491AJ DM74LS491AN DM74LS491AV J24F N24C V28A	PDF
Contextual Info: LS491A a National Semiconductor DM54LS491A/DM74LS491A 10-Bit Counter General Description Features The ten-bit counter can count up, count down, set, and load 2 LSB’s, 2 MSB’s and 6 middle bits high or low as a group. All operations are synchronous with the clock. SET over	OCR Scan	LS491A DM54LS491A/DM74LS491A 10-Bit 24-pin	PDF