PI74LCX16827A [ETC]
Dual 10-Bit Buffer/Driver ; 双10位缓冲器/驱动器\n
| 型号： | PI74LCX16827A |
| 厂家： | 
ETC |
| 描述： | Dual 10-Bit Buffer/Driver
|
| 文件： | 总5页 (文件大小：171K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74LCX16827
Fast CMOS 3.3V 20-Bit Buffers
Product Features
ProductDescription
FunctionallycompatiblewithFCT3, LVT, and74series
16827 families of products
Pericom Semiconductors PI74LCX series of logic circuits are
produced using the Companys advanced 0.6 micron CMOS
technology, achieving industry leading speed grades.
Tri-State outputs
ThePI74LCX16827isa20-bitwidebusdriverdesignedtoprovide
buffering and high-performance bus interfacing for wide data/
address paths or busses with parity. Two pairs of nanded output
enable controls allow the device to be operated as two
10-bit buffers or as one 20-bit buffer. Signal pins are arranged in a
flow-through organization for ease of layout and hysteresis is
designed into all inputs to improve noise margin.
5V Tolerant inputs and outputs
2.0V-3.6V VCC supply operation
Balanced sink and source output drives (24 mA)
Low ground bounce outputs
Supports live insertion
ESD Protection exceeds 2000V, Human Body Model
200V, Machine Model
ThePI74LCX16827canbedrivenfromeither3.3Vor5.0Vdevices
allowing this device to be used as a translator in a mixed
3.3V/5.0Vsystem.
Packages available:
56-pin240-milwideplasticTSSOP(A)
56-pin300-milwideplasticSSOP(V)
Logic Block Diagram
1OE1
1OE2
2OE1
2OE2
1A1
1Y1
2Y1
2A1
TO 9 OTHER CHANNELS
TO 9 OTHER CHANNELS
PS2095A 02/11/97
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PI74LCX16827
3.3V 20-BIT BUFFERS
Product Pin Description
Truth Table(1)
Pin Name
xOE
Description
Inputs
xOE
Outputs
X
Output Enable Inputs (Active LOW)
Data Inputs
xOE
1
2
xAx
L
xYx
L
XAX
L
L
L
L
XYX
3-State Outputs
H
H
H
X
X
H
X
Z
X
Z
Note:
1. H = High Voltage Level, X = Dont Care,
L = Low Voltage Level, Z = High Impedance
Product Pin Configuration
1OE1
1Y1
1
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1OE2
1A1
2
3
1Y2
1A2
GND
1Y3
1Y4
4
GND
1A3
5
6
1A4
7
VCC
1Y5
VCC
1A5
8
9
1Y6
1A6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1Y7
1A7
GND
1Y8
GND
1A8
1Y9
1A9
1Y10
2Y1
1A10
2A1
2Y2
2A2
2Y3
2A3
GND
2Y4
GND
2A4
2Y5
2A5
2Y6
2A6
VCC
2Y7
VCC
2A7
2Y8
2A8
GND
2Y9
GND
2A9
2Y10
2OE1
2A10
2OE2
PS2095A 02/11/97
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PI74LCX16827
3.3V 20-BIT BUFFERS
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature............................................................. 65°C to +150°C
Ambient Temperature with Power Applied............................ 40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only)......0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) ..0.5V to +7.0V
DC Input Voltage ....................................................................0.5V to +7.0V
DC Output Current .............................................................................. 120 mA
Power Dissipation .................................................................................... 1.0W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the de-
vice. This is a stress rating only and functional opera-
tion of the device at these or any other conditions
above those indicated in the operational sections of
thisspecificationisnotimplied. Exposuretoabsolute
maximumratingconditionsforextendedperiodsmay
affect reliability.
Recommended Operating Conditions
Symbol
Parameter
Min.
2.0
1.5
0
Max.
3.6
Units
VCC
Supply Voltage
Operating
Data Retention
3.6
VI
Input Voltage
5.5
V
V
O
Output Voltage
HIGH or LOW State
TRI-State
0
V
CC
0
5.5
±24
±12
+85
10
I
OH/IOL
Output Current
V
CC = 3.0V-3.6V
CC = 2.7V
mA
V
TA
Free-Air Operating Temperature
Input Edge Rate
−40
°C
V = 0.8V-2.0V, VCC = 3.0V
0
ns/V
∆
t/∆V
PS2095A 02/11/97
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PI74LCX16827
3.3V 20-BIT BUFFERS
DC Electrical Characteristics (Over the Operating Range, TA = −40°C to +85°C, VCC = 2.7V to 3.6V)
Parameters Description
Test Conditions(1)
Min.
2.0
Typ(2)
—
Max.
—
Units
V
IH
IL
OH
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
V
—
—
0.8
—
V
V
V
V
CC = 2.7-3.6
I
I
I
I
I
I
I
I
OH = –0.1mA
OH = –12mA
OH = –18mA
OH = –24mA
OL = 0.1mA
OL = 12mA
OL = 16mA
OL = 24mA
V
CC-0.2
2.2
2.4
2.2
—
—
CC = 2.7
—
—
CC = 3.0
—
—
—
—
V
VOL
Output LOW Voltage
V
V
V
CC = 2.7-3.6
—
0.2
0.4
0.4
0.55
−1.2
±5
CC = 2.7
—
—
CC = 3.0
—
—
—
—
V
IK
Clamp Diode Voltage
Input Leakage Current
Tri-State Output Leakage
VCC = Min., IIN = –18mA
—
−0.7
—
I
I
0 ≤ V
I
≤ 5.5V
≤ 5.5V
Vcc = 2.7-3.6
—
IOZ
0 ≤ V
O
V
CC = 2.7-3.6
—
—
±5
V
V
V
I
= VIH or VIL
I
OFF
Power Down Disable
CC = 0V, VIN or VOUT ≤ 5.5V
—
—
10
10
µA
I
CC
Quiescent Power Supply
Current
CC = Max.
CC = Max.
V
or VCC
IN = GND
0.1
Quiescent Power Supply
Current
V
V
IN = VCC – 0.6V(3)
500
∆
ICC
TTL Inputs HIGH
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input; all other inputs at Vcc or GND.
Capacitance
Parameters Description
Test Conditions
Typ.
7
Units
C
IN
OUT
PD
Input Capacitance
V
V
V
CC = Open, V
CC = 3.3V, V
CC = 3.3V, V
I
= 0V or VCC
C
Output Capacitance
I
= 0V or VCC
8
pF
C
Power Dissipation Capacitance
I
= 0V or VCC, F = 10 MHz
20
PS2095A 02/11/97
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PI74LCX16827
3.3V 20-BIT BUFFERS
Switching Characteristics over Operating Range
VCC = 3.3V ± 0.3V
VCC = 2.7V
Parameters Description
Conditions
Min.
Max.
Min.
Max.
Units
tPHL
Propagation Delay
CL = 50pF
1.5
5.0
1.5
5.6
tPHL
Dxx to Oxx
RL = 500Ω
tPZH
tPZH
Output Enable Time
1.5
1.5
8.0
6.0
1.0
1.5
1.5
8.6
6.3
ns
tPHZ
tPLZ
Output Disable Time
Output Skew(1)
tSK(O)
Note:
1. Skew between any two outputs, of the same package, switching in the same direction.
Dynamic Switching Characteristics (TA = +25°C)
Parameters Description
Test Conditions(1)
Typical
Units
V
CC = 3.3V, C
L
= 50pF
V
OLP
Dynamic LOW Peak Voltage
Dynamic LOW Valley Voltage
0.8
0.8
VIH = 3.3V, VIL = 0V
V
VCC = 3.3V, C = 50pF
L
VOLV
VIH = 3.3V, VIL = 0V
Note:
1. Measured with n1 outputs switching from HIGH-to-LOW or LOW-to-HIGH. The remaining output is measured in
the LOW state.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS2095A 02/11/97
5
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