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Número de pieza | DM74ALS241A | |
Descripción | Octal 3-STATE Bus Driver | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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No Preview Available ! September 1986
Revised February 2000
DM74ALS240A • DM74ALS241A
Octal 3-STATE Bus Driver
General Description
These octal 3-STATE bus drivers are designed to provide
the designer with flexibility in implementing a bus interface
with memory, microprocessor, or communication systems.
The output 3-STATE gating control is organized into two
separate groups of four buffers. The DM74ALS240A con-
trol inputs symmetrically enable the respective outputs
when set logic LOW, while the DM74ALS241A has comple-
mentary enable gating. The 3-STATE circuitry contains a
feature that maintains the buffer outputs in 3-STATE (high
impedance state) during power supply ramp-up or ramp-
down. This eliminates bus glitching problems that arise
during power-up and power-down.
Features
s Advanced low power oxide-isolated ion-implanted
Schottky TTL process
s Functional and pin compatible with the DM74LS coun-
terpart
s Improved switching performance with less power dissi-
pation compared with the DM74LS counterpart
s Switching response specified into 500Ω and 50 pF load
s Switching response specifications guaranteed over full
temperature and VCC supply range
s PNP input design reduces input loading
s Low level drive current: 74ALS = 24 mA
Ordering Code:
Order Number Package Number
Package Description
DM74ALS240AWM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74ALS240ASJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74ALS240AN
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DM74ALS241AWM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74ALS241AN
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
DM74ALS240A
DM74ALS241A
© 2000 Fairchild Semiconductor Corporation DS006210
www.fairchildsemi.com
1 page Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Package Number M20B
5 www.fairchildsemi.com
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet DM74ALS241A.PDF ] |
Número de pieza | Descripción | Fabricantes |
DM74ALS241A | Octal 3-STATE Bus Driver | Fairchild Semiconductor |
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