ETC CY74FCT827CTSOCT

CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
D
D
D
D
D
D
description
The ’FCT827T devices are 10-bit bus drivers that
provide high-performance bus-interface buffering
for wide data/address paths or buses carrying
parity. The 10-bit buffers have NANDed output
enables for maximum control flexibility. The
’FCT827T
devices
are
designed
for
high-capacitance-load drive capability, while
providing low-capacitance bus loading at both
inputs and outputs. All outputs are designed for
low-capacitance
bus
loading
in
the
high-impedance state.
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
OE2
CY74FCT827T . . . L PACKAGE
(TOP VIEW)
4
D2
D3
D4
NC
D5
D6
D7
5
3 2 1 28 27 26
25
6
24
7
23
8
22
9
21
10
20
19
11
12 13 14 15 16 17 18
Y2
Y3
Y4
NC
Y5
Y6
Y7
Y8
D
OE1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
GND
GND
NC
OE2
Y9
D
CY74FCT827T . . . Q OR SO PACKAGE
(TOP VIEW)
D1
D0
OE1
NC
VCC
Y0
Y1
D
Function, Pinout, and Drive Compatible
With FCT, F, and AM29827 Logic
Reduced VOH (Typically = 3.3 V) Versions
of Equivalent FCT Functions
Edge-Rate Control Circuitry for
Significantly Improved Noise
Characteristics
Ioff Supports Partial-Power-Down Mode
Operation
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
3-State Outputs
Matched Rise and Fall Times
Fully Compatible With TTL Input and
Output Logic Levels
CY54FCT827T
– 32-mA Output Sink Current
– 12-mA Output Source Current
CY74FCT827T
– 64-mA Output Sink Current
– 32-mA Output Source Current
D8
D9
D
NC – No internal connection
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright  2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
ORDERING INFORMATION
QSOP – Q
SOIC – SO
40°C to 85°C
–40°C
SPEED
(ns)
PACKAGE†
TA
QSOP – Q
SOIC – SO
ORDERABLE
PART NUMBER
Tape and reel
4.4
CY74FCT827CTQCT
Tube
4.4
CY74FCT827CTSOC
Tape and reel
4.4
CY74FCT827CTSOCT
Tape and reel
8
CY74FCT827ATQCT
Tube
8
CY74FCT827ATSOC
Tape and reel
8
CY74FCT827ATSOCT
TOP-SIDE
MARKING
FCT827C
FCT827C
FCT827A
FCT827A
–55°C to 125°C LCC – L
Tube
9
CY54FCT827ATLMB
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
D
OUTPUT
Y
OE1
OE2
L
L
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
FUNCTION
Transparent
3 state
3-state
H = High logic level, L = Low logic level, X = Don’t care,
Z = High-impedance state
logic diagram (positive logic)
OE1
OE2
D0
1
13
2
23
Y0
To Nine Other Channels
Pin numbers shown are for the Q and SO packages.
absolute maximum rating over operating free-air temperature range (unless otherwise noted)‡
Supply voltage range to ground potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
DC input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
DC output voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
DC output current (maximum sink current/pin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mA
Package thermal impedance, θJA (see Note 1): Q package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61°C/W
SO package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46°C/W
Ambient temperature range with power applied, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 135°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
recommended operating conditions (see Note 2)
CY54FCT827T
CY74FCT827T
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.75
5
5.25
UNIT
VCC
VIH
Supply voltage
VIL
IOH
Low-level input voltage
0.8
0.8
V
High-level output current
–12
–32
mA
IOL
TA
Low-level output current
32
64
mA
85
°C
High-level input voltage
2
Operating free-air temperature
2
–55
125
V
V
–40
NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
CY54FCT827T
TYP† MAX
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.75 V,
IIN = –18 mA
IIN = –18 mA
VCC = 4.5 V,
IOH = –12 mA
IOH = –32 mA
VCC = 4
4.75
75 V
MIN
–0.7
–1.2
–0.7
2.4
2.4
Vhys
All inputs
II
VCC = 5.5 V,
VCC = 5.25 V,
VIN = VCC
VIN = VCC
5
IIH
VCC = 5.5 V,
VCC = 5.25 V,
VIN = 2.7 V
VIN = 2.7 V
±1
IIL
VCC = 5.5 V,
VCC = 5.25 V,
VIN = 0.5 V
VIN = 0.5 V
±1
IOZH
VCC = 5.5 V,
VCC = 5.25 V,
VOUT = 2.7 V
VOUT = 2.7 V
10
IOZL
VCC = 5.5 V,
VCC = 5.25 V,
VOUT = 0.5 V
VOUT = 0.5 V
–10
IOS‡
VCC = 5.5 V,
VCC = 5.25 V,
VOUT = 0 V
VOUT = 0 V
VCC = 0 V,
VCC = 5.5 V,
VOUT = 4.5 V
VIN ≤ 0.2 V,
∆ICC
0.3
3.3
0.55
IOL = 64 mA
0.3
0.2
0.55
0.2
±1
±1
10
–10
–120
–225
–60
–120
±1
VIN ≥ VCC – 0.2 V
VIN ≥ VCC – 0.2 V
VCC = 5.25 V,
VIN ≤ 0.2 V,
VCC = 5.5 V, VIN = 3.4 V§, f1 = 0, Outputs open
VCC = 5.25 V, VIN = 3.4 V§, f1 = 0, Outputs open
0.1
0.5
V
V
5
–60
V
V
2
IOH = –15 mA
IOL = 32 mA
VCC = 4.5 V,
VCC = 4.75 V,
ICC
–1.2
UNIT
3.3
VOL
Ioff
CY74FCT827T
TYP† MAX
MIN
–225
±1
0.2
0.1
0.2
0.5
2
2
µA
µA
µA
µA
µA
mA
µA
mA
mA
† Typical values are at VCC = 5 V, TA = 25°C.
‡ Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or
sample-and-hold techniques are preferable to minimize internal chip heating and more accurately reflect operational values. Otherwise, prolonged
shorting of a high output can raise the chip temperature well above normal and cause invalid readings in other parametric tests. In any sequence
of parameter tests, IOS tests should be performed last.
§ Per TTL-driven input (VIN = 3.4 V); all other inputs at VCC or GND
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
3
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
PARAMETER
ICCD¶
IC#
CY54FCT827T
TYP† MAX
TEST CONDITIONS
MIN
VCC = 5.5 V, One input switching at 50% duty cycle,
Outputs open, OE1 or OE2 = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
VCC = 5.25 V, One input switching at 50% duty cycle,
Outputs open, OE1 or OE2 = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
One bit switching VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
at f1 = 10 MHz
VCC = 5.5 V,
at 50% duty cycle V = 3.4 V or GND
IN
Outputs open,
open
V
10
bits
switching
IN ≤ 0.2 V or
OE1 or OE2 = GND
VIN ≥ VCC – 0.2 V
at f1 = 2.5 MHz
at 50% duty cycle V = 3.4 V or GND
IN
V
One bit switching
IN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
at f1 = 10 MHz
VCC = 5.25 V,
at 50% duty cycle V = 3.4 V or GND
IN
Outputs open,
open
OE1 or OE2 = GND 10 bits switching VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
at f1 = 2.5 MHz
at 50% duty cycle V = 3.4 V or GND
IN
UNIT
0.12
mA/
MHz
0.7
1.4
1
2.4
1.6
3.2||
4.1
13.2||
0.06
0.12
0.7
1.4
1
2.4
1.6
3.2||
4.1
13.2||
mA
Ci
5
10
5
10
pF
Co
9
12
9
12
pF
¶ This parameter is derived for use in total power-supply calculations.
# IC
= ICC + ∆ICC × DH × NT + ICCD (f0/2 + f1 × N1)
Where:
IC
= Total supply current
ICC = Power-supply current with CMOS input levels
∆ICC = Power-supply current for a TTL high input (VIN = 3.4 V)
DH
= Duty cycle for TTL inputs high
NT
= Number of TTL inputs at DH
ICCD = Dynamic current caused by an input transition pair (HLH or LHL)
f0
= Clock frequency for registered devices, otherwise zero
f1
= Input signal frequency
N1
= Number of inputs changing at f1
All currents are in milliamperes and all frequencies are in megahertz.
|| Values for these conditions are examples of the ICC formula.
4
0.06
CY74FCT827T
TYP† MAX
MIN
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
switching characteristics over operating free-air temperature range (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST LOAD
tPLH
tPHL
D
Y
tPLH
tPHL
D
tPZH
tPZL
CY54FCT827AT
CY74FCT827AT
CY74FCT827CT
MIN
MAX
MIN
MAX
MIN
MAX
CL = 50 pF,,
RL = 500 Ω
1.5
9
1.5
8
1.5
4.4
1.5
9
1.5
8
1.5
4.4
Y
CL = 300 pF,,
RL = 500 Ω
1.5
17
1.5
15
1.5
10
1.5
17
1.5
15
1.5
10
OE
Y
CL = 50 pF,,
RL = 500 Ω
1.5
13
1.5
12
1.5
7
1.5
13
1.5
12
1.5
7
tPZH
tPZL
OE
Y
CL = 300 pF,,
RL = 500 Ω
1.5
25
1.5
23
1.5
14
1.5
25
1.5
23
1.5
14
tPHZ
tPHL
OE
Y
CL = 5 pF,,
RL = 500 Ω
1.5
9
1.5
9
1.5
5.7
1.5
9
1.5
9
1.5
5.7
tPHZ
tPHL
OE
Y
CL = 50 pF,
RL = 500 Ω
1.5
10
1.5
10
1.5
6
1.5
10
1.5
10
1.5
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
UNIT
ns
ns
ns
ns
ns
ns
5
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
PARAMETER MEASUREMENT INFORMATION
7V
From Output
Under Test
From Output
Under Test
Test
Point
CL = 50 pF
(see Note A)
Open
TEST
GND
CL = 50 pF
(see Note A)
500 Ω
S1
500 Ω
S1
Open
7V
Open
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
500 Ω
LOAD CIRCUIT FOR
3-STATE OUTPUTS
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
3V
1.5 V
Timing Input
0V
tw
tsu
3V
1.5 V
Input
1.5 V
th
3V
1.5 V
Data Input
1.5 V
0V
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
3V
1.5 V
Input
1.5 V
0V
tPLH
tPHL
1.5 V
1.5 V
VOL
tPHL
Out-of-Phase
Output
tPLZ
≈3.5 V
1.5 V
tPZH
VOH
1.5 V
VOL
1.5 V
0V
Output
Waveform 1
(see Note B)
tPLH
1.5 V
1.5 V
tPZL
VOH
In-Phase
Output
3V
Output
Control
Output
Waveform 2
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOL + 0.3 V
VOL
tPHZ
1.5 V
VOH – 0.3 V
VOH
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
6
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• DALLAS, TEXAS 75265
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enhancements, improvements, and other changes to its products and services at any time and to discontinue
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accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
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Post Office Box 655303
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Copyright  2001, Texas Instruments Incorporated