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I74F655AD-T

Description
IC F/FAST SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24, PLASTIC, SO-24, Bus Driver/Transceiver
Categorylogic    logic   
File Size116KB,7 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Download Datasheet Parametric View All

I74F655AD-T Overview

IC F/FAST SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24, PLASTIC, SO-24, Bus Driver/Transceiver

I74F655AD-T Parametric

Parameter NameAttribute value
MakerNXP
Parts packaging codeSOIC
package instructionPLASTIC, SO-24
Contacts24
Reach Compliance Codeunknown
Other featuresWITH TRIPLE OUTPUT ENABLE; ODD/EVEN PARITY GENERATION WITH TRISTATE OUTPUTS
seriesF/FAST
JESD-30 codeR-PDSO-G24
JESD-609 codee4
length15.4 mm
Load capacitance (CL)50 pF
Logic integrated circuit typeBUS DRIVER
Number of digits8
Number of functions1
Number of ports2
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityINVERTED
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Maximum supply current (ICC)110 mA
propagation delay (tpd)5.5 ns
Certification statusNot Qualified
Maximum seat height2.65 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyTTL
Temperature levelINDUSTRIAL
Terminal surfaceNICKEL PALLADIUM GOLD
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
width7.5 mm

I74F655AD-T Preview

Philips Semiconductors
Product specification
Buffers/drivers
74F655A Octal buffer/driver with parity, inverting (3-State)
74F656A Octal buffer/driver with parity, non-inverting (3-State)
FEATURES
74F655A
74F656A
Significantly improved AC performance over 74F655 and 74F656
High impedance NPN base input for reduced loading
(40µA in High and Low states)
DESCRIPTION
The 74F655A and 74F656A are octal buffers and line drivers with
parity generation/checking designed to be employed as memory
address drivers, clock drivers and bus-oriented
transmitters/receivers. These parts include parity generator/checker
to improve PC board density.
TYPICAL
PROPAGATION
DELAY
6.5ns
6.5ns
Ideal in applications where high output drive and light bus loading
74F655A combines 74F240 and 74F280A functions in one
package
are required (I
IL
is 40µA vs. FAST std of 600µA)
TYPE
74F655A
74F656A
TYPICAL SUPPLY CURRENT
(TOTAL)
64mA
64mA
74F656A combines 74F244 and 74F280A functions in one
package
74F655A Inverting
74F656A Non-inverting
3-State outputs sink 64mA and source 15mA
24-pin plastic Slim DIP (300mil) package
Inputs on one side and outputs on the other side simplifies PC
board layout
Combined functions reduce part count and enhance system
performance
Industrial temperature range available (–40°C to +85°C)
ORDERING INFORMATION
DESCRIPTION
24-pin Plastic Slim DIP (300mil)
24-pin Plastic SOL
COMMERCIAL RANGE
V
CC
= 5V
±10%,
T
amb
= 0°C to +70°C
N74F655AN, N74F656AN
N74F655AD, N74F656AD
INDUSTRIAL RANGE
V
CC
= 5V
±10%,
T
amb
= –40°C to +85°C
I74F655AN, I74F656AN
I74F656AD, I74F656AD
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
D0–D7
PI
OE0, OE1, OE2
ΣE, ΣO
Q0–Q7
Q0–Q7
Data inputs
Parity input
Output Enable Inputs (active Low)
Parity outputs
Data outputs (74F655A)
Data outputs (74F656A)
DESCRIPTION
74F(U.L.)
HIGH/LOW
2.0/0.066
1.0/0.033
1.0/0.033
750/106.7
750/106.7
750/106.7
LOAD VALUE
HIGH/LOW
40µA/40µA
20µA/20µA
20µA/20µA
15mA/64mA
15mA/64mA
15mA/64mA
NOTE:
One (1.0) FAST Unit Load (U.L.) is defined as: 20µA in the High state and 0.6mA in the Low state.
1991 Jul 17
1
853-0383 03305
Philips Semiconductors
Product specification
Buffers/drivers
74F655A
74F656A
PIN CONFIGURATION – 74F655A
OE0
OE1
PI
D0
D1
D2
D3
D4
D5
D6
D7
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 OE2
22
ΣO
21
ΣE
20 Q0
19 Q1
18 Q2
17 Q3
16 Q4
15 Q5
14 Q6
13 Q7
PIN CONFIGURATION – 74F656A
OE0
OE1
PI
D0
D1
D2
D3
D4
D5
D6
D7
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 OE2
22
ΣO
21
ΣE
20 Q0
19 Q1
18 Q2
17 Q3
16 Q4
15 Q5
14 Q6
13 Q7
SF01168
SF01169
LOGIC SYMBOL – 74F655A
4
D0
3
1
2
23
PI
OE0
OE1
OE2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
ΣE
ΣO
21
22
5
D1
6
D2
7
D3
8
D4
9
D5
10
D6
11
D7
LOGIC SYMBOL – 74F656A
4
5
6
7
8
9
10
11
D0
3
1
2
23
PI
OE0
OE1
OE2
Q0
D1
D2
D3
D4
D5
D6
D7
ΣE
ΣO
21
22
Q1
Q2
Q3
Q4
Q5
Q6
Q7
V
CC
=Pin 24
GND=Pin 12
20
19
18
17
16
15
14
13
SF01170
V
CC
=Pin 24
GND=Pin 12
20
19
18
17
16
15
14
13
SF01171
IEEE/IEC SYMBOL – 74F655A
2K
3,5,6,7,8
9,10,11,12
3
1
2
23
4
5
6
7
8
9
10
11
P3
≥1
EN4
3,5,6,7,8
9,10,11,12
[EVEN]
[ODD]
21
22
LOGIC SYMBOL (IEEE/IEC) – 74F656A
2K
3,5,6,7,8
9,10,11,12
3
1
2
23
20
19
18
17
16
15
14
13
4
Z5
5
6
7
8
9
10
11
Z6
Z7
Z8
Z9
Z10
Z11
Z12
4
19
18
17
16
15
14
13
P3
≥1
EN4
3,5,6,7,8
9,10,11,12
[EVEN]
[ODD]
21
22
20
Z5
Z6
Z7
Z8
Z9
Z10
Z11
Z12
4
SF01172
SF01173
LOGIC DIAGRAM – 74F655A
1991 Jul 17
2
Philips Semiconductors
Product specification
Buffers/drivers
74F655A
74F656A
PI
3
21
ΣE
22
ΣO
D0
4
20
Q0
D1
5
19
Q1
D2
6
18
Q2
D3
7
17
Q3
D4
8
16
Q4
D5
9
15
Q5
D6
10
14
Q6
D7
11
13
Q7
OE0
OE1
OE2
1
2
23
V
CC
= Pin 24
GND = Pin 12
SF01174
1991 Jul 17
3
Philips Semiconductors
Product specification
Buffers/drivers
74F655A
74F656A
LOGIC DIAGRAM – 74F656A
3
PI
21
ΣE
22
ΣO
D0
4
20
Q0
D1
5
19
Q1
D2
6
18
Q2
D3
7
17
Q3
D4
8
16
Q4
D5
9
15
Q5
D6
10
14
Q6
D7
11
13
Q7
OE0
OE1
OE2
1
23
2
V
CC
= Pin 24
GND = Pin 12
SF01175
1991 Jul 17
4
Philips Semiconductors
Product specification
Buffers/drivers
74F655A
74F656A
FUNCTION TABLE
INPUTS
OE0
L
L
H
X
X
H
L
X
Z
=
=
=
=
OE1
L
L
X
H
X
OE2
L
L
X
X
H
Dn
L
H
X
X
X
OUTPUTS
74F655A
Qn
H
L
Z
Z
Z
74F656A
Qn
L
H
Z
Z
Z
FUNCTION TABLE for PARITY OUTPUTS
INPUTS
Number of inputs, High (PI, D0–D7)
Even - 0, 2, 4, 6, 8
Odd - 1, 3, 5, 7, 9
Any OEn = High
H = High voltage level
L = Low voltage level
Z = High impedance “off” state
ΣE
H
L
Z
PARITY
OUTPUTS
Σ0
L
H
Z
High voltage level
Low voltage level
Don’t care
High impedance “off” state
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
V
CC
V
IN
I
IN
V
OUT
I
OUT
T
amb
b
T
stg
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
Commercial range
Operating free-air temperature range
Industrial range
Storage temperature range
–40 to +85
–65 to +150
PARAMETER
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to +V
CC
128
0 to +70
UNIT
V
V
mA
V
mA
°C
°C
°C
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
V
CC
V
IH
V
IL
I
IK
I
OH
I
OL
T
amb
b
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Commercial range
Operating free-air temperature range
Industrial range
0
–40
PARAMETER
MIN
4.5
2.0
0.8
–18
–15
64
70
85
NOM
5.0
MAX
5.5
V
V
V
mA
mA
mA
°C
°C
UNIT
1991 Jul 17
5
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