PI74LCX1673A [PERICOM]
Fast CMOS 3.3V 16-Bit Transparent Latch; 快速CMOS 3.3V 16位透明锁存器
| 型号： | PI74LCX1673A |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Fast CMOS 3.3V 16-Bit Transparent Latch |
| 文件： | 总6页 (文件大小：160K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74LCX16373
Fast CMOS 3.3V 16-Bit
Transparent Latch
ProductFeatures
ProductDescription
Pericom Semiconductor’s PI74LCX series of logic circuits are
produced using the Company’s advanced 0.6 micron CMOS
technology, achieving industry leading speed grades.
• FunctionallycompatiblewithFCT3,LVT,
and 74 series 16373 families of products
• 3-State outputs
The PI74LCX16373 is a 16-bit transparent latch designed with
3-state outputs and are intended for bus oriented applications. The
Output Enable and Latch Enable controls are organized to operate
as two 8-bit latches or one 16-bit latch. When Latch Enable (LE) is
HIGH, the flip-flops appear transparent to the data. The data that
meetstheset-uptimewhenLEisLOWislatched. WhenOEisHIGH,
the bus output is in the high impedance state.
ThePI74LCX16373canbedrivenfromeither3.3Vor5.0Vdevices
allowing this device to be used as a translator in a mixed
3.3/5.0Vsystem.
• 5V Tolerant inputs and outputs
• 2.0V-3.6VVCCsupplyoperation
• Balanced sink and source output drives (24mA)
• Low ground bounce outputs
• Power down High Impedance inputs and outputs
• Supports live insertion
• ESDProtectionexceeds2000V,HumanBodyModel
200V, MachineModel
• Packages(Pb-freeavailable):
–48-pin240-milwideplasticTSSOP(A)
–48-pin300-milwideplasticSSOP(V)
LogicBlockDiagram
1OE
2OE
1LE
2LE
1D0
2D0
D
C
D
C
1O
0
2O0
Q
Q
TO 7 OTHER CHANNELS
TO 7 OTHER CHANNELS
PS2089C
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PI74LCX16373
3.3V16-BitTransparentLatch
TruthTable(1)
ProductPinDescription
Pin Name
xOE
Description
Inputs(1 )
Outputs(1 )
3-State Output Enable Inputs (Active LOW)
xOE
L
xLE
H
xDx
H
xOx
H
XLE
Latch Enable Inputs (Active HIGH)
XDX
Data Inputs
3-State Outputs
Ground
L
H
L
L
XOX
H
X
X
Z
GND
VCC
L
L
X
O
0
Power
Note:
1. H = HighVoltageLevel
X = Don’t Care
ProductPinConfiguration
L = LowVoltageLevel
Z = High Impedance
O0 = Previous O0 before HIGH-to-LOW transition
of Latch Enable
1
OE
1
2
3
4
5
6
7
8
9
48
47
46
1
1
1
LE
1
O
0
1
D
0
1
1
O
D
GND
45 GND
1
O
2
44
43
42
41
40
1D
2
3
1
O
3
1D
V
CC
V
CC
1
O
4
5
1D
4
1
O
1D
5
GND 10
39 GND
48-Pin
A,V
1O
1O
2O
2O
6
7
0
1
11
12
13
14
38
37
36
35
1D
1D
2D
2D
6
7
0
1
GND 15
34 GND
2
O
O
2
3
16
17
18
19
20
33
32
31
30
29
2
D
2
3
2
2D
V
CC
V
CC
2O
4
5
2D
4
2O
2D
5
GND 21
28 GND
2
O
O
6
7
22
23
27
26
25
2
2
2
D
6
7
2
D
2OE 24
LE
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PI74LCX16373
3.3V16-BitTransparentLatch
MaximumRatings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Note:
Storage Temperature .......................................................... –65°Cto+150°C
Ambient Temperature with Power Applied ..........................–40°Cto+85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) .... –0.5Vto+7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only). –0.5Vto+7.0V
DC Input Voltage ................................................................... –0.5Vto+7.0V
DC Output Current ............................................................................ 120mA
Power Dissipation ................................................................................. 1.0W
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
Thisisastressratingonlyandfunctionaloperationofthe
device at these or any other conditions above those
indicatedintheoperationalsectionsofthisspecification
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
RecommendedOperatingConditions
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
VO
Output Voltage
HIGH or LOW State
3-State
0
V
CC
0
5.5
±24
±12
+85
10
IOH/IOL
Output Current
VCC = 3.0V-3.6V
VCC = 2.7V
—
—
–40
0
mA
TA
t/
Free-Air Operating Temperature
Input Edge Rate
°C
V = 0.8V-2.0V, VCC = 3.0V
ns/V
∆
∆
V
PS2089C
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PI74LCX16373
3.3V16-BitTransparentLatch
DCElectricalCharacteristics (OvertheOperatingRange, TA =-40°Cto+85°C, VCC =2.7Vto3.6V)
Parameters
VIH
Description
Input HIGH Voltage
Test Conditions(1)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
Min.
2.0
—
Typ(2) Max. Units
—
—
—
—
—
—
—
—
—
—
−0.7
—
—
—
0.8
—
VIL
Input LOW Voltage
VOH
Output HIGH Voltage
VCC = 2.7-3.6
VCC = 2.7
IOH = –0.1mA
VCC-0.2
2.2
2.4
2.2
—
IOH = –12 mA
IOH = –16 mA
IOH = –24 mA
IOL = 0.1mA
IOL = 12mA
IOL = 16mA
IOL = 24mA
—
VCC = 3.0
—
—
V
VOL
Output LOW Voltage
VCC = 2.7-3.6
VCC = 2.7
0.2
0.4
0.4
0.55
−1.2
±5
—
VCC = 3.0
—
—
VIK
II
Clamp Diode Voltage
Input Leakage Current
Tri-State Output Leakage
VCC = Min., IIN = –18mA
—
0 ≤ VI ≤ 5.5V
VCC = 2.7-3.6
VCC = 2.7-3.6
—
IOZ
0 ≤ VO ≤ 5.5V
VI = VIH or VIL
—
±5
µA
IOFF
ICC
Power Down Disable
VCC = 0V, VIN or VOUT ≤ 5.5V
—
—
—
—
0.1
—
±10
10
Quiescent Power Supply Current
VCC = Max.
VCC = Max.
VIN = GND or VCC
VIN = VCC – 0.6V(3)
Quiescent Power Supply Current
TTL Inputs HIGH
500
∆
ICC
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. TypicalvaluesareatVCC =3.3V, +25°Cambient.
3. Per TTL driven input; all other inputs at VCC or GND.
Capacitance
Parameters
Description
Test Conditions
Typ.
7
Units
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC, F = 10 MHz
COUT
Output Capacitance
Power Dissipation Capacitance
8
pF
CPD
20
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PI74LCX16373
3.3V16-BitTransparentLatch
SwitchingCharacteristicsoverOperatingRange
VCC = 3.3V ±0.3V
VCC =2.7V
Parameters
Description
Conditions
Min.
Max.
Min.
Max.
Units
tPHL
tPLH
Propagation Delay
Dn to On
1.5
5.4
1.5
5.9
tPHL
tPLH
Propagation Delay
LE to On
1.5
1.5
1.5
5.5
6.1
6.0
1.5
1.5
1.5
6.4
6.5
6.3
tPZL
tPZH
Output Enable time
CL = 50pF
RL = 500Ω
ns
tPLZ
tPHZ
Output Disable Time
tS
tH
Setup time, Dn to LE
Hold time, Dn to LE
LE Pulse Width
2.5
1.5
3.0
2.5
1.5
3.0
tW
tSK(O)
Output Skew(1)
1.0
Note:
1. Skew between any two outputs, of the same package, switching in the same direction.
DynamicSwitchingCharacteristics(TA =+25°C)
Parameters Description
Test Conditions(1)
Typ.
0.8
Units
VOLP
VOLV
Dynamic LOW Peak Voltage
Dynamic LOW Valley Voltage
VCC = 3.3V, CL = 50pF
VIH = 3.3V, VIL = 0V
V
0.8
Note:
1. Measured with n–1 outputs switching from High-to-Low or Low-to-High. The remaining output is measured in the LOW state.
PS2089C
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PI74LCX16373
3.3V16-BitTransparentLatch
PackagingMechanical:48-PinTSSOP(A)Package
48
.236
.244
6.0
6.2
1
.488 12.4
.496 12.6
.047
SEATING PLANE
1.20 Max
0.09
0.20
.004
.008
0.45 .018
0.75 .030
.002
.006
0.05
0.15
.007
.010
.0197
BSC
.319
BSC
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
0.50
0.17
0.27
8.1
PackagingMechanical:48-PinSSOP(V)Package
48
.395
.420
10.03
10.67
.291
.299
7.39
7.59
Gauge Plane
.010
0.25
.02
.04
0.51
1.01
1
.620
.630
15.75
16.00
0.381
0.635
.015
.025
x 45˚
.008
0.20
Nom.
.110 2.79 Max
.008 0.20
.0135 0.34
.025 BSC
0.635
.008 0.20
.016 0.40
0-8˚
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
OrderingInformation
Ordering Code
Description
PI74LCX16373A
PI74LCX16373V
48-Pin 240-mil wide Plastic TSSOP (A)
48-Pin 300-mil wide Plastic SSOP (V)
Pericom Semiconductor Corporation
2380BeringDrive • SanJose,CA95131•1-800-435-2336 • Fax(408)435-1100• http://www.pericom.com
PS2089C
06/27/03
6
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