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Integrated Device Technology Electronic Components Datasheet

74541 Datasheet

IDT74541

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FAST CMOS OCTALwwIFwDAT.SD5T4a/C7ta4MFSOChSTe2Oe4C0t4T/2UA4L4.cTBo/AUmTF/FCETR/D/LTIN-E22D4R0I/V22E4R4T/AT/CT,
IDT54/74FCT540/541/2541T/AT/CT
MIIDLITTA5R4/Y7A4NFDCTCO24M0MTE/RACTIA/CLTT/EDMTPE- R2A2T4U0RTE/ARTA/NCGTES
BUFFER/LINE
IDT54/74FCT244T/AT/CT/DT - 2244T/AT/CT
IDT54/74FCT540T/AT/CT
DRIVERS
IDT54/74FCT541/2541T/AT/CT
Integrated Device Technology, Inc.
FEATURES:
• Common features:
– Low input and output leakage 1µA (max.)
– CMOS power levels
– True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 0.3V (typ.)
– Meets or exceeds JEDEC standard 18 specifications
– Product available in Radiation Tolerant and Radiation
Enhanced versions
– Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
– Available in DIP, SOIC, SSOP, QSOP, CERPACK
and LCC packages
• Features for FCT240T/FCT244T/FCT540T/FCT541T:
– Std., A, C and D speed grades
– High drive outputs (-15mA IOH, 64mA IOL)
• Features for FCT2240T/FCT2244T/FCT2541T:
– Std., A and C speed grades
– Resistor outputs (-15mA IOH, 12mA IOL Com.)
(-12mA IOH, 12mA IOL Mil.)
– Reduced system switching noise
DESCRIPTION:
The IDT octal buffer/line drivers are built using an advanced
dual metal CMOS technology. The FCT240T/FCT2240T and
FCT244T/FCT2244T are designed to be employed as memory
and address drivers, clock drivers and bus-oriented transmit-
ter/receivers which provide improved board density.
The FCT540T and FCT541T/FCT2541T are similar in
function to the FCT240T/FCT2240T and FCT244T/FCT2244T,
respectively, except that the inputs and outputs are on oppo-
site sides of the package. This pinout arrangement makes
these devices especially useful as output ports for micropro-
cessors and as backplane drivers, allowing ease of layout and
greater board density.
The FCT2240T, FCT2244T and FCT2541T have balanced
output drive with current limiting resistors. This offers low
ground bounce, minimal undershoot and controlled output fall
times-reducing the need for external series terminating resis-
tors. FCT2xxxT parts are plug-in replacements for FCTxxxT
parts.
FUNCTIONAL BLOCK DIAGRAMS
OE A
DA0
OB 0
DA1
OB 1
DA2
OB 2
DA3
OB3
OE B
OA 0
DB0
OA 1
DB1
OA 2
DB2
OA 3
DB3
OE A
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
FCT240/2240T
FCT244/2244T
OE B
OA0
DB0
OA1
DB1
OA2
DB2
OA3
DB3
2565 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
6.8
6.8
2565 drw 02
OE A
OE B
D0 O0
D1 O1
D2 O2
D3 O3
D4 O4
D5 O5
D6 O6
D7 O7
FCT540/541/2541T
*Logic diagram shown for 'FCT540.
'FCT541/2541T is the non-inverting option.
2565 drw 03
DECEMBER 1995
DSC-2565/6
11


Integrated Device Technology Electronic Components Datasheet

74541 Datasheet

IDT74541

No Preview Available !

wwIFwDAT.SD5T4a/C7ta4MFSOChSTe2Oe4C0t4T/2UA4L4.cTBo/AUmTF/FCETR/D/LTIN- E22D4R0I/V22E4R4T/AT/CT,
IDT54/74FCT540/541/2541T/AT/CT
MILITARY
AND
COMMERCIAL
TEMPERATURE
RANGES
PIN CONFIGURATIONS
FCT240/2240T
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
GND
1 20
2 19
3 18
4 P20-1 17
5 D20-1 16
6 SO20-2 15
SO20-7
7 SO20-8 14
8 & 13
9 E20-1 12
10 11
VCC
OEB
OA0
DB0
OA1
DB1
OA2
DB2
OA3
DB3
INDEX
DA1
OB1
DA2
OB2
DA3
3 2 20 19
4 1 18
5 17
6 L20-2 16
7 15
8 14
9 10 11 12 13
OA0
DB0
OA1
DB1
OA2
FCT244/2244T
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
2565 drw 04
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
GND
1 20
2 19
3 18
P20-1
4 D20-1 17
5 SO20-2 16
6 SO20-7 15
7
SO20-8
&
14
8 E20-1 13
9 12
10 11
VCC
OEB
OA0
DB 0
OA1
DB 1
OA2
DB 2
OA3
DB 3
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
FCT540/541/2541T
2565 drw 05
OEA
D0
D1
D2
D3
D4
D5
D6
D7
GND
1 20
2 19
3 18
4 P20-1 17
5 D20-1 16
6 SO20-2 15
7
SO20-8
&
14
8 E20-1 13
9 12
10 11
VCC
OEB
O0*
O1*
O2*
O3*
O4*
O5*
O6*
O7*
DIP/SOIC/QSOP/CERPACK
TOP VIEW
*O x for 540, Ox for 541/2541T
2565 drw 06
LCC
TOP VIEW
INDEX
3 2 20 19
DA 1
4
1 18 OA0
OB1
5
17 DB0
DA 2
6
L20-2 16 OA1
OB2
7
15 DB1
DA 3
8
14 OA2
9 10 11 12 13
LCC
TOP VIEW
INDEX
3 2 20 19
D2 4
1 18 O0*
D3 5
17 O1*
D4 6
L20-2 16 O2*
D5 7
15 O3*
D6 8
14 O4*
9 10 11 12 13
LCC
TOP VIEW
2565 drw 07
2565 drw 08
2565 drw 09
6.8 2


Part Number 74541
Description IDT74541
Maker IDT
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