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PDF PI74HSTL1212 Data sheet ( Hoja de datos )
| Número de pieza | PI74HSTL1212 | |
| Descripción | 24-Bit/ 1.8V to 3.3V Bi_Directional Level Shifting Transcciver | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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24-Bit, 1.8V to 3.3V Bi-Directional Level Shifting Transceiver
Product Features
Product Description
PI74HSTL1212 is designed for translation between
1.8V HSTL and LVCMOS
Supports 1.8V HSTL Class I Buffer
Industrial operation at 40°C to +85°C
Dual Independent 12-Bit Slice Direction Control
Packaging: 64-pin plastic 240-mil TSSOP (A)
Pericom Semiconductors HSTL series of logic circuits are produced
using the Companys advanced submicron CMOS technology,
achieving industry leading performance.
Pericom Semiconductors PI74HSTL1212 consists of two 12-Bit bi-
directional non-inverting tranceivers with two separate supply
rails, A-Port (VCCA) set at 1.8V, and B-Port (VCCB) set at 3.3V. Each
set of 12 tranceivers allows translation from a 1.8V to 3.3V and back
again. The control inputs 1DAB/1DBA and 2DAB/2DBA allows
independent 12-Bit slice direction control for greater flexibility.
Truth Table (Each 12-bit slice)
The PI74HSTL1212 is particularly useful for asynchronous
communications between HSTL and LVTTL/LVCMOS data buses.
Inputs
XDAB / XDBA
Operation
H (TTL)
L (TTL)
XA to XB HSTL to LVTTL (LVCMOS)
XB to XA, LVTTL (LVCMOS) to HSTL
Logic Block Diagram
A-PORT (HTSL)
1DAB/1DBA
1A1
1A12
1VREF
2DAB/2DBA
2A1
2A12
2VREF
B-PORT (LVTTL)
1B1
To 11 Channels
1B12
2B1
To 11 Channels
2B12
Pin Configuration
1B1
1B2
1B3
1B4
1B5
1B6
1B7
GND
VCCB
1B8
1B9
1B10
1B11
GND
1B12
2B12
2B11
2B10
VCCB
2B9
2B8
2B7
2B6
GND
VCCB
2B5
2B4
2B3
2B2
2B1
2VREF
2DAB/2DBA
1 64
2 63
3 62
4 61
5 60
6 59
7 58
8 57
9 56
10 55
11 54
12 53
13 52
14 51
15 50
16 A 49
17 64-Pin 48
18 47
19 46
20 45
21 44
22 43
23 42
24 41
25 40
26 39
27 38
28 37
29 36
30 35
31 34
32 33
1DAB/1DBA
1VREF
1A1
1A2
1A3
1A4
1A5
GND
VCCA
1A6
1A7
1A8
1A9
GND
1A10
1A11
1A12
2A12
VCCA
2A11
2A10
2A9
2A8
GND
VCCA
2A7
2A6
2A5
2A4
2A3
2A2
2A1
1
PS8598
01/29/02
1 page  
PI74HSTL1212
24-Bit, 1.8V to 3.3V
112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233B4455i66D7788i99r0011e22c11t22i33o4455n6677a88l99L0011e2233v44e5566l77S8899h00i11f22t33i44n5566g7788T9900r11a2211n2233s44c55e6677i88v99e00r1122
Packaging Mechanical: 64-pin TSSOP (A)
64
.236 6.0
.244 6.2
1
.0197
BSC
0.50
.665 16.9
.673 17.1
1.20 .047
Max.
SEATING
PLANE
0.45 .018
0.75 .030
.319 BSC
8.1
.007 0.17
.011 0.27
X.XX DENOTES DIMENSIONS
X.XX IN MILLIMETERS
.002 0.05
.006 0.15
.004
0.10
.004
.008
0.09
0.20
Ordering Information
PI74HSTL1212A
Description
64-pin, 240-mil wide plastic TSSOP
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5
PS8598
01/29/02
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI74HSTL1212.PDF ] | |
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