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PDF PI74AVC164245 Data sheet ( Hoja de datos )
| Número de pieza | PI74AVC164245 | |
| Descripción | 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS | |
| Fabricantes | ETC | |
| Logotipo |  |
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16-Bit 1.8-2.5V to 3.3V Level Shifting
Transceiver with 3-State Outputs
Product Features
PI74AVC164245 is designed for low voltage operation:
1.8V - 2.5V to 3.3V
Industrial operation at 40°C to +85°C
Packages available:
48-pin plastic 300 mil SSOP (V)
48-pin plastic 240 mil TSSOP (A)
48-pin plastic 173 mil TVSOP (K)
Truth Table (each 8-bit section)
Inputs
OE DIR
LL
LH
HX
Operation
B data to A bus
A data to B bus
Isolation
Product Description
Pericom Semiconductors AVC series of logic circuits are produced
using the Companys advanced 0.35 micron CMOS technology,
achieving industry leading performance.
Pericom Semiconductors PI74AVC164245, a 16-bit (dual-octal)
noninverting bus transceiver, contains two separate supply rails:
B port (VCCB), set at 3.3V, and A port (VCCA), set to operate
at 1.8-2.5V. This arrangement permits translation from a 1.8-2.5V to
3.3V environment and vice versa.
The PI74AVC164245 is designed for asynchronous communication
between data buses.
To ensure the high impedance state during power up or power
down, the output-enable (OE) input should be tied to VCC through
a pullup resistor: the minimum value of the resistor is determined by
the current-sinking capability of the driver.
Logic Block Diagram
Product Pin Configuration
1DIR 1
1A1 47
2DIR 24
2A1 36
48 1OE
To Seven Other Channels
2 1B1
25 2OE
To Seven Other Channels
13 2B1
(LVTTL)1DIR
1B1
1B2
GND
1B3
1B4
(3.3V)VCCB
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
(3.3V)VCCB
2B5
2B6
GND
2B7
2B8
(LVTTL)2DIR
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 48-Pin 38
12 A, K, V 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
1OE(LVTTL)
1A1
1A2
GND
1A3
1A4
VCCA(1.8V-2.5V)
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCCA(1.8V-2.5V)
2A5
2A6
GND
2A7
2A8
2OE(LVTTL)
1 PS8425D 04/05/02
1 page  
PI74AVC164245
16-Bit 1.8-2.5V to 3.3V Level Shifting
11223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211T2233r44a5566n77s8899c00e11i22v3344e55r6677w8899i00t11h223334455-66S77t8899a00t11e2211O2233u4455t66p7788u99t00s1122
Switching Characteristics
(Over recommended operating free-air temperature range, CL = 30pF (unless otherwise noted), see Figures 1, 2, 3
PI74AVC164245
PI74AVC164245A
Parameter
From
(Input)
To
(Output)
VCCB = 3.3V ±0.3V
VCCA = 1.8V
±0.15V
VCCA = 2.5V
±0.2V
Min. Max. Min. Max.
VCCB = 3.3V ±0.3V
VCCA = 1.8V VCCA = 2.5V
±0.15V
±0.2V
Min. Max. Min. Max.
A B 1.5 4.6 1.5 4.2 1.5 3.5 1.0 3.0
tPD
B A 1.5 4.4 1.5 4.0 1.5 3.5 1.0 2.8
tEN OE B 1.7 5.5 1.7 4.5 1.7 4.5 1.2 3.5
tDIS OE B 1.5 5.5 1.5 4.5 1.5 4.5 1.0 3.5
tEN OE A 1.7 5.5 1.7 4.5 1.7 4.5 1.2 3.5
tDIS
tsk(o)(1)
tsk(b)(1)
OE
A 2.0 5.5 2.0 4.5 2.0 4.5 1.5 3.5
0.5 0.3
0.3 0.25
Units
ns
Note:
1. This is the skew between any two outputs of the same package, and switching in the same direction. For tsk(o), Output 1 and
Output 2 are any two outputs. For tsk(b), Output 1 and Output 2 are in the same bank.
These parameters are warrented but not production tested.
Operating Characteristics, TA = 25°C
Parameters
CPD Power Dissipation Capacitance
Outputs Enabled (A or B)
Outputs Disabled
Test
Conditions
CL = 30pF,
F = 10 MHz
VCCA = 2.5V
VCCB = 3.3V
Typical
56
6
Units
pF
5 PS8425D 04/05/02
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PI74AVC164245.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI74AVC164245 | 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS | ETC |
| PI74AVC164245A | 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS | ETC |
| PI74AVC164245AA | 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS | ETC |
| PI74AVC164245AK | 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS | ETC |
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