TI CY74FCT827ATSOC 10-bit buffer Datasheet

Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modified to remove devices not offered.
CY54/74FCT827T
10-Bit Buffer
SCCS034 - September 1994 - Revised March 2000
• Sink current
• Function, pinout, and drive compatible with FCT, F, and
AM29827 logic
• FCT-C speed at 4.4 ns max. (Com’l)
FCT-A speed at 5.0 ns max. (Com’l)
• Reduced VOH (typically = 3.3V) versions of equivalent
FCT functions
• Edge-rate control circuitry for significantly improved
noise characteristics
• Power-off disable feature
• ESD > 2000V
• Matched rise and fall times
• Fully compatible with TTL input and output logic levels
Functional Description
The FCT827T 10-bit bus driver provides high-performance
bus interface buffering for wide data/address paths or buses
carrying parity. The 10-bit buffers have NAND-ed output
enables for maximum control flexibility. The FCT827T is
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 and are designed with a power-off disable
feature to allow for live insertion of boards.
Pin Configurations
LCC/PLCC
Top View
D7
D6
D5
NC
D4
Logic Block Diagram
Source current
64 mA (Com’l),
32 mA (Mil)
32 mA (Com’l),
12 mA (Mil)
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
D0
D1
D2
D3
D4
D5
D6
D7
D8
11 10 9 8 7 6 5
12
4
13
3
14
2
1
15
16
28
17
27
18
26
19 20 21 22 23 24 25
D1
D0
OE1
NC
VCC
Y0
Y1
Y7
Y6
Y5
NC
Y4
Y3
Y2
D8
D9
GND
NC
OE2
Y9
Y8
D3
D2
Features
D9 OE1 OE2
SOIC/QSOP
Top View
OE1
1
24
VCC
D0
D1
2
23
Y0
3
22
Y1
D2
4
21
Y2
D3
5
20
Y3
D4
6
19
Y4
D5
7
18
Y5
D6
8
17
Y6
D7
9
16
D8
10
Y7
Y8
D9
11
15
14
GND
12
13
Y9
OE2
Function Table[1]
Inputs
Outputs
OE1
OE2
D
Y
Function
L
L
L
L
L
H
L
H
Transparent
H
X
X
H
X
X
Z
Z
Three-State
Note:
1. H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care
Copyright
© 2000, Texas Instruments Incorporated
CY54/74FCT827T
Maximum Ratings[2, 3]
Power Dissipation .......................................................... 0.5W
Static Discharge Voltage............................................>2001V
(per MIL-STD-883, Method 3015)
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .................................–65°C to +150°C
Operating Range
Ambient Temperature with
Power Applied .............................................–65°C to +135°C
Range
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
Commercial
DC Input Voltage............................................ –0.5V to +7.0V
[4]
Military
DC Output Voltage ......................................... –0.5V to +7.0V
Ambient
Temperature
VCC
All
–40°C to + 85°C
5V ± 5%
All
–55°C to +125°C
5V ± 10%
Range
DC Output Current (Maximum Sink Current/Pin).......120 mA
Electrical Characteristics Over the Operating Range
Parameter
VOH
Description
Output HIGH Voltage
VOL
Output LOW Voltage
Test Conditions
Min.
Typ.[5]
Max.
Unit
VCC= Min., IOH= –32 mA
Com’l
2.0
V
VCC= Min., IOH= –15 mA
Com’l
2.4
3.3
V
VCC= Min., IOH= –12 mA
Mil
2.4
3.3
V
VCC= Min., IOL= 64 mA
Com’l
0.3
0.55
V
VCC= Min., IOL= 32 mA
Mil
0.3
0.55
V
VIH
Input HIGH Voltage
2.0
V
VIL
Input LOW Voltage
VH
Hysteresis[6]
All inputs
0.2
VIK
Input Clamp Diode Voltage
VCC= Min., IIN= –18 mA
–0.7
II
Input HIGH Current
IIH
0.8
V
V
–1.2
V
VCC= Max., VIN= VCC
5
µA
Input HIGH Current
VCC= Max., VIN= 2.7V
±1
µA
IIL
Input LOW Current
VCC= Max., VIN= 0.5V
±1
µA
IOZH
Off State HIGH-Level Output
Current
VCC = Max., VOUT = 2.7V
10
µA
IOZL
Off State LOW-Level
Output Current
VCC = Max., VOUT = 0.5V
–10
µA
IOS
Output Short Circuit Current[7]
VCC= Max., VOUT= 0.0V
–225
mA
IOFF
Power-Off Disable
VCC= 0V, VOUT= 4.5V
±1
µA
–60
–120
Capacitance[6]
Parameter
Description
Typ.[5]
Max.
Unit
CIN
Input Capacitance
5
10
pF
COUT
Output Capacitance
9
12
pF
Notes:
2. Unless otherwise noted, these limits are over the operating free-air temperature range.
3. Unused inputs must always be connected to an appropriate logic voltage level, preferably either VCC or ground.
4. TA is the “instant on” case temperature.
5. Typical values are at VCC=5.0V, TA=+25˚C ambient.
6. This parameter is specified but not tested.
7. 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 in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of
a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter
tests, IOS tests should be performed last.
2
CY54/74FCT827T
Power Supply Characteristics
Parameter
ICC
Description
Quiescent Power Supply Current
Test Conditions
VCC=Max., VIN≤0.2V, VIN≥VCC–0.2V
Typ.[5]
Max.
Unit
0.1
0.2
mA
0.5
2.0
mA
∆ICC
Quiescent Power Supply Current
(TTL inputs HIGH)
VCC=Max., VIN=3.4V,
f1=0, Outputs Open
ICCD
Dynamic Power Supply
Current[9]
VCC=Max., One Input Toggling,
50% Duty Cycle, Outputs Open,
OE1 or OE2=GND,
VIN≤0.2V or VIN≥VCC–0.2V
0.06
0.12
mA/MHz
IC
Total Power Supply Current[10]
VCC=Max., 50% Duty Cycle, Outputs Open,
One Bit Toggling at f1=10 MHz,
OE1 or OE2=GND,
VIN≤0.2V or VIN≥VCC–0.2V
0.7
1.4
mA
VCC=Max.,50% Duty Cycle, Outputs Open,
One Bit Toggling at f1=10 MHz,
OE1 or OE2=GND, VIN=3.4V or VIN=GND
1.0
2.4
mA
VCC=Max., 50% Duty Cycle, Outputs Open,
Ten Bits Toggling at f1=2.5 MHz,
OE1 or OE2=GND,
VIN≤0.2V or VIN≥VCC–0.2V
1.6
3.2[11]
mA
VCC=Max., 50% Duty Cycle, Outputs Open,
Ten Bits Toggling at f1=2.5 MHz,
OE1 or OE2=GND,VIN=3.4V or VIN=GND
4.1
13.2[11]
mA
[8]
Notes:
8. Per TTL driven input (VIN=3.4V); all other inputs at VCC or GND.
9. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
= IQUIESCENT + IINPUTS + IDYNAMIC
10. IC
IC
= ICC+∆ICCDHNT+ICCD(f0/2 + f1N1)
ICC = Quiescent Current with CMOS input levels
∆ICC = Power Supply Current for a TTL HIGH input VIN=3.4V)
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)
= Clock frequency for registered devices, otherwise zero
f0
= Input signal frequency
f1
= Number of inputs changing at f1
N1
All currents are in milliamps and all frequencies are in megahertz.
11. Values for these conditions are examples of the ICC formula. These limits are specified but not tested.
3
CY54/74FCT827T
Switching Characteristics Over the Operating Range[12]
FCT827AT
Military
Parameter
Description
Commercial
Test Load
Min.
Max.
Min.
Fig.
Max. Unit No.[13]
tPLH
tPHL
Propagation Delay
D to Y
CL=50 pF
RL=500Ω
1.5
9.0
1.5
8.0
ns
1, 3
tPLH
tPHL
Propagation Delay
D to Y[12]
CL=300 pF
RL=500Ω
1.5
17.0
1.5
15.0
ns
1, 3
tPZH
tPZL
Output Enable Time
OE to Y
CL=50 pF
RL=500Ω
1.5
13.0
1.5
12.0
ns
1, 7, 8
tPZH
tPZL
Output Enable Time
OE to Y[12]
CL=300 pF
RL=500Ω
1.5
25.0
1.5
23.0
ns
1, 7, 8
tPHZ
tPHL
Output Disable Time
OE to Y[12]
CL=5 pF
RL=500Ω
1.5
9.0
1.5
9.0
ns
1, 7, 8
tPHZ
tPHL
Output Disable Time
OE to Y
CL=50 pF
RL=500Ω
1.5
10.0
1.5
10.0
ns
1, 7, 8
FCT827CT
Commercial
Parameter
Description
Test Load
Min.
Max.
Unit
Fig. No.[13]
tPLH
tPHL
Propagation Delay D to Y
CL=50 pF
RL=500Ω
1.5
4.4
ns
1, 3
tPLH
tPHL
Propagation Delay D to Y[12]
CL=300 pF
RL=500Ω
1.5
10.0
ns
1, 3
tPZH
tPZL
Output Enable Time OE to Y
CL=50 pF
RL=500Ω
1.5
7.0
ns
1, 7, 8
tPZH
tPZL
Output Enable Time OE to Y[12]
CL=300 pF
RL=500Ω
1.5
14.0
ns
1, 7, 8
tPHZ
tPHL
Output Disable Time OE to Y[12]
CL=5 pF
RL=500Ω
1.5
5.7
ns
1, 7, 8
tPHZ
tPHL
Output Disable Time OE to Y
CL=50 pF
RL=500Ω
1.5
6.0
ns
1, 7, 8
Ordering Information
Speed
(ns)
4.4
8.0
9.0
Ordering Code
Package
Name
Package Type
CY74FCT827CTQCT
Q13
24-Lead (150-Mil) QSOP
CY74FCT827CTSOC/SOCT
S13
24-Lead (300-Mil) Molded SOIC
CY74FCT827ATQCT
Q13
24-Lead (150-Mil) QSOP
CY74FCT827ATSOC/SOCT
S13
24-Lead (300-Mil) Molded SOIC
CY54FCT827ATLMB
L64
28-Square Leadless Chip Carrier
Notes:
12. Minimum limits are specified but not tested on Propagation Delays.
13. See “Parameter Measurement Information” in the General Information section.
Document #: 38-00326-A
4
Operating
Range
Commercial
Commercial
Military
CY54/74FCT827T
Package Diagrams
28-Square Leadless Chip Carrier L64
MIL-STD-1835 C-4
24-Lead Quarter Size Outline Q13
5
CY54/74FCT827T
Package Diagrams (continued)
24-Lead (300-Mil) Molded SOIC S13
6
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