PI74AUC16245KE [PERICOM]
Bus Transceiver, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVSOP-48;
| 型号： | PI74AUC16245KE |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Bus Transceiver, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVSOP-48 光电二极管 逻辑集成电路 电视 |
| 文件： | 总7页 (文件大小：408K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74AUC16245
1.8V 16-Bit Bidirectional Transceiver
with 3-State Outputs
Features
Description
• PI74AUC16245 is designed for low-voltage operation,
Pericom Semiconductor’s PI74AUC series of logic circuits are
produced using the Company’s advanced submicron CMOS
technology, achieving industry leading speeds.
V
= 0.8V to 2.7V, optimized at 1.8V.
CC
• 3.6V I/O Tolerant inputs and outputs
• I supports partial power-down operation
The PI74AUC16245 is a 16-bit bidirectional transceiver designed
for asynchronous two-way communication between data buses.
It can be used as a 16-bit tranceiver, or two 8-bit tranceivers.
OFF
• Latch-Up Performance exceeds 100mA per JESD 78
• ESD Protection Exceeds JESD 22
The direction control input pin ( DIR) determines the direction of
x
data flow through the bidirectional transceiver. The output enable
(OE) input, when HIGH, disables both A and B ports by placing
them in HIGH-Z condition.
– 2000V Human-Body Model (A114-B)
– 200V Machine Model (A115-A)
• Industrial operation: –40°C to +85°C
To ensure the high-impedance state during power-up or power-
• Packaging:
– 48-pin 240-mil wide plastic TSSOP (A)
– 48-pin 173-mil wide plastic TVSOP (K)
down, OE should be tied to V through a pull-up resistor; the
CC
minimum value of the resistor is determined by the current sinking
ability of the driver.
The PI74AUC16245 is specified for partial powerdown
applications using I
The I
circuitry disables the outputs
OFF
OFF.
preventing current backflow through the device when it is powered
down.
Block Diagram
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1
PS8732
08/17/04
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.)
Notes:
Supply voltage range, V
–0.5V to +3.6V
–0.5V to +3.6V
CC ..................................
1. Input negative voltage & output voltage ratings may be
exceeded if the input and output current rating are observed.
2. This value is limited to 3.6V maximum.
3. The package thermal impedance is calculated in accordance with
JESD 51.
4. Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
Thisisastressratingonlyandfunctionaloperationofthedeviceatthese
oranyotherconditionsabovethoseindicatedintheoperationalsections
of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
(1)
Input voltage range, V
I
.....................................
Voltage range applied to any output in the
high-impedance or power-off state, V
(1)
.... –0.5V to +3.6V
................ –0.5V to V +0.5V
CC
O
(1,2)
Output voltage range V
O
Input clamp current, I (V < 0).................................. –50mA
IK
I
Output clamp current, I (V < 0)............................. –50mA
OK
O
Continuous output current, I .................................... ±20mA
Continuous current through each V or GND ......... ±100mA
Package thermal impedance, θ
O
CC
(3)
: package A........ 104°C/W
package K........ 107°C/W
JA
Storage Temperature range, T ....................–65°C to 150°C
stg
Pin Configuration
Pin Description
Pin Name
Description
3-State Output Enable Inputs (Active LOW)
Direction Control Input
Side A Inputs or 3-State Outputs
Side B Inputs or 3-State Outputs
Ground
1DIR
1B1
1
48 1OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCC
41 1A5
40 1A6
39 GND
38 1A7
37 1A8
36 2A1
35 2A2
34 GND
33 2B3
32 2A4
31 VCC
30 2A5
29 2A6
28 GND
27 2A7
26 2A8
25 2OE
OE
X
X
X
X
2
DIR
1B2
3
A
X
GND
1B3
4
B
X
5
GND
1B4
6
VCC
7
V
Power
CC
1B
8
5
1B6
GND
1B7
9
(5)
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Truth Table
Inputs
Outputs
1B8
OE
L
DIR
L
X
X
2B1
Bus B Data to Bus A
Bus A Data to Bus B
Z
2B2
L
H
GND
2B3
H
X
2B4
Notes:
5. H = High Signal Level, L= Low Signal Level
X = Don’t Care, Z = High Impedance
VCC
2B5
2B6
GND
2B7
2B8
2DIR
PS8732
08/17/04
2
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
(1)
Recommended Operating Conditions
Parameter
Description
Supply Voltage
Operating Condition
Min.
Max.
Units
V
0.8
2.7
CC
V
V
V
V
V
V
= 0.8V
V
CC
CC
CC
CC
CC
CC
CC
V
V
High-Level Input Voltage
Low-Level Input Voltage
= 1.1V to 1.95V
= 2.3V to 2.7V
= 0.8V
0.65 x V
1.7
IH
CC
0
0.35 x V
0.7
V
= 1.1V to 1.95
= 2.3V to 2.7V
IL
CC
V
V
Input Voltage
0
0
0
3.6
I
Active State
3-State
V
CC
Output Voltage
O
3.6
V
V
V
V
V
V
V
V
V
V
= 0.8V
= 1.1V
= 1.4V
= 1.65V
= 2.3V
= 0.8V
= 1.1V
= 1.4V
= 1.65V
= 2.3V
-0.7
-3
-5
-8
-9
0.7
3
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
I
I
High-Level Output Current
Low-Level Output Current
OH
mA
5
OL
8
9
Input Transition Rise or Fall Rate
Operating Free-Air Temperature
5
ns/V
°C
Δt/Δv
T
A
-40
85
Notes:
1. All unused inputs must be held at VCC or GND to ensure proper device operation.
PS8732
08/17/04
3
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
DC Electrical Characteristics (Over the Operating Range, T = –40°C +85°C)
A
(1)
Parameters
Test Conditions
V
Min.
V -0.1V
CC
Typ.
Max.
Units
CC
I
I
I
I
I
I
I
I
I
I
I
I
= -100µA
0.8V to 2.7V
0.8V
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
= -0.7mA
= -3mA
= -5mA
= -8mA
= -9mA
= 100µA
= 0.7mA
= 3mA
0.55
1.1V
0.8
1
V
V
OH
1.4V
1.65V
2.3V
1.2
1.8
V
0.8V to 2.7V
0.8V
0.2
0.25
1.1V
0.3
0.4
0.45
0.6
±5
OL
= 5mA
1.4V
= 8mA
1.65V
2.3V
= 9mA
(2)
I
I
I
I
V = V or GND
0 to 2.7V
0V
I
I
CC
V or V = 2.7V
±10
±10
20
OFF
I
O
µA
pF
(3)
V = V or GND
2.7V
OZ
O
CC
V = V or GND, I = 0
0.8V to 2.7V
2.5V
CC
I
CC
O
C
C
V = V or GND
3
7
I
I
CC
V = V or GND
2.5V
IO
O
CC
Note:
1. Typical values are measured at TA = 25°C.
2. Control Inputs.
3. The parameter IOZ includes input leakage current for I/O ports.
Switching Characteristics
(Over recommended operating free-air temperature range, unless otherwise noted, see Figure 1)
V
=
V
= 1.2V
± 0.1V
V
= 1.5V
± 0.1V
V
= 1.8V
± 0.15V
V
= 2.5V
CC
± 0.2V
CC
CC
CC
CC
From
(Input) (Output)
To
0.8V
Typ.
5.6
Parameters
Units
Min.
0.5
Max. Min. Max. Min. Typ. Max. Min. Max.
t
A or B
OE
B or A
A or B
A or B
3.1
4.6
6.8
0.5
0.7
0.8
2
3.1
5
0.5
0.7
0.8
1.5
2.1
3.4
2
0.4
0.7
0.5
1.9
2.6
2.9
pd
t
10
0.7
3.1
4.8
ns
en
t
OE
12.8
0.8
dis
Operating Characteristics, T = 25°C
A
V
=
V
=
V
=
V
=
V
CC
=
CC
CC
CC
CC
0.8V
1.2V
1.5V
1.8V
2.5V
Parameters
Test Conditions
Units
Typical
Typical
Typical
Typical
Typical
Outputs
Enabled
22
23
1
24
25
1
29
1
C
Power
pd
C = 0pF, f = 10
L
Dissipation
Capacitance
pF
MHz
Outputs
Disabled
1
1
PS8732
08/17/04
4
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
Parameter Measurement Information
2xV
CC
Test
/t
S1
S1
Open
GND
R
L
t
t
Open
2 x V
CC
From Output
Under Test
PLH PHL
/t
PLZ PZL
t
/t
GND
PHZ PZH
C
L
R
L
(See Note 1)
V
C
R
L
V
CC
L
0.8V
15pF
15pF
15pF
30pF
30pF
2kΩ
2kΩ
2kΩ
1kΩ
500Ω
0.1V
0.1V
0.1V
0.15V
0.15V
Load Circuit
1.2V ± 0.1V
1.5V ± 0.1V
1.8V ± 0.15V
2.5V ± 0.2V
V
CC
Timing
Input
V
/2
CC
0V
t
t
h
su
tW
V
CC
V
CC
V
/2
V
/2
CC
Data
Input
Input
CC
V
/2
V
/2
CC
CC
0V
0V
Voltage Waveforms Pulse Duration
Voltage Waveforms Setup and Hold Times
VCC
Output
Control
(Low Level
Enabling)
VCC
VCC/2
VCC/2
tPLZ
VCC/2
tPLH
VCC/2
tPHL
0V
Input
tPZL
0V
Output
Waveform 1
S1 at 2 x VCC
(see Note 2)
VCC
VCC/2
VOH
VOL +V∆
VOL
VOH
/2
VCC
VCC/2
tPZH
Output
Output
tPHZ
V
OL
OH
Output
Waveform 2
S1 at GND
(see Note 2)
tPHL
tPLH
VOH –V∆
V
VCC/2
/2
/2
VCC
VCC
0V
VOL
Voltage Waveforms Propagation Delay Times
Voltage Waveforms Enable and Disable Times
Figure 1. Load Circuit and Voltage Waveforms
Notes:
1. CL includes probe and jig capacitance.
2. 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.
3. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50Ω, slew rate ≥ 1V/ns
4. The outputs are measured one at a time with one transition per measurement.
5. tPLZ and tPHZ are the same as tdis
6. tPZL and tPZH are the same as ten
7. tPLH and tPHL are the same as tpd
8. All parameters and waveforms are not applicable to all devices.
PS8732
08/17/04
5
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
Packaging Mechanical: 48-pin TSSOP (A)
48
.236
.244
6.0
6.2
1
.488 12.4
.496 12.6
.047
1.20 Max
SEATING PLANE
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
Packaging Mechanical: 48-pin TSSOP (K)
48
.169
.177
4.30
4.50
0.09
0.20
.0035
.008
1
.031
.041
0.80
1.05
0.45 .018
0.75 .030
.252
BSC
6.4
.378 9.60
.386 9.80
SEATING
PLANE
Max.
.047
1.20
.002
.006
0.05
0.15
.016
BSC
.0051
.009
0.13
0.23
0.40
X.XX DENOTES DIMENSIONS
X.XX IN MILLIMETERS
PS8732
08/17/04
6
PI74AUC16245
1.8V 16-Bit Bidirectional
Transceiver with 3-State Outputs
Ordering Information
Ordering Code
PI74AUC16245A
PI74AUC16245K
Notes:
Package Code
Package Description
A
K
48-pin, 240-mil wide plastic TSSOP
48-pin, 173-mil wide plastic TVSOP
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
PS8732
08/17/04
7
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