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74F648SC Datasheet

  • 74F648SC

  • Octal Transceiver/Register with 3-STATE Outputs

  • 9頁(yè)

  • FAIRCHILD

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74F646 鈥?74F646B 鈥?74F648 Octal Transceiver/Register with 3-STATE Outputs
March 1988
Revised August 1999
74F646 鈥?74F646B 鈥?74F648
Octal Transceiver/Register with 3-STATE Outputs
General Description
These devices consist of bus transceiver circuits with 3-
STATE, D-type flip-flops, and control circuitry arranged for
multiplexed transmission of data directly from the input bus
or from the internal registers. Data on the A or B bus will be
clocked into the registers as the appropriate clock pin goes
to a high logic level. Control G and direction pins are pro-
vided to control the transceiver function. In the transceiver
mode, data present at the high impedance port may be
stored in either the A or the B register or in both. The select
controls can multiplex stored and real-time (transparent
mode) data. The direction control determines which bus
will receive data when the enable control G is Active LOW.
In the isolation mode (control G HIGH), A data may be
stored in the B register and/or B data may be stored in the
A register.
Features
s
Independent registers for A and B buses
s
Multiplexed real-time and stored data
s
74F648 has inverting data paths
s
74F646/74F646B have non-inverting data paths
s
74F646B is a faster version of the 74F646
s
3-STATE outputs
s
300 mil slim DIP
Ordering Code:
Order Number
74F646SC
74F646MSA
74F646SPC
74F646BSC
74F646BSPC
74F648SC
74F648SPC
Package Number
M24B
MSA24
N24C
M24B
N24C
M24B
N24C
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
漏 1999 Fairchild Semiconductor Corporation
DS009580
www.fairchildsemi.com

74F648SC 產(chǎn)品屬性

  • Fairchild Semiconductor

  • Bipolar

  • F

  • 8

  • TTL

  • TTL

  • 3-State

  • - 15 mA

  • 64 mA

  • 8 ns

  • 5.5 V

  • 4.5 V

  • + 70 C

  • SOIC-24 Wide

  • Rail

  • Bus Transceiver / Register

  • 0 C

  • SMD/SMT

  • 1

  • Inverting

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