CY54FCT245T_16 Datasheet, PDF (2/21 Pages) Texas Instruments – 8-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS

CY54FCT245T, CY74FCT245T
8-BIT TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCCS018B – MAY 1994 – REVISED NOVEMBER 2001
ORDERING INFORMATION
TA
PACKAGE^†
SPEED
(ns)
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QSOP – Q Tape and reel
3.8
CY74FCT245DTQCT FCT245D
QSOP – Q Tape and reel
4.1
CY74FCT245CTQCT FCT245C
Tube
4.1 CY74FCT245CTSOC
SOIC – SO
FCT245C
Tape and reel
4.1
CY74FCT245CTSOCT
DIP – P
Tube
4.6 CY74FCT245ATPC
CY74FCT245ATPC
–40°C to 85°C QSOP – Q Tape and reel
4.6
CY74FCT245ATQCT
FCT245A
Tube
4.6 CY74FCT245ATSOC
SOIC – SO
FCT245A
Tape and reel
4.6
CY74FCT245ATSOCT
QSOP – Q Tape and reel
7
CY74FCT245TQCT
FCT245
Tube
7
CY74FCT245TSOC
SOIC – SO
FCT245
Tape and reel
7
CY74FCT245TSOCT
CDIP – D Tube
4.5 CY54FCT245CTDMB
LCC – L
Tube
4.5 CY54FCT245CTLMB
CDIP – D
–55°C to 125°C
LCC – L
Tube
Tube
4.9 CY54FCT245ATDMB
4.9 CY54FCT245ATLMB
CDIP – D Tube
7.5 CY54FCT245TDMB
LCC – L
Tube
7.5 CY54FCT245TLMB
† _{Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available}
at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
OE T/R
OPERATION
L
L
B data to bus A
L
H A data to bus B
H
X
Z
H = High logic level, L = Low logic level,
X = Don’t care, Z = High-impedance
state
logic diagram (positive logic)
1
T/R
19
OE
A0 ²
18
B0
To Seven Other Channels
2
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