PI74ALVC162835 Driver Datasheet

PI74ALVC162835 Datasheet PDF, Equivalent


Part Number

PI74ALVC162835

Description

16-Bit Universal Bus Driver

Manufacture

Pericom Semiconductor Corporation

Total Page 5 Pages
PDF Download
Download PI74ALVC162835 Datasheet PDF


PI74ALVC162835
PI74ALVC162835
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18-Bit Universal Bus Driver
with 3-State Outputs
Product Features
• PI74ALVC162835 is designed for low voltage operation,
VCC = 2.3V to 3.6V
• Outputs have equivalent 26series resistors
www.DataSheSetu4pUp.coormts PC100 Registered DIMM
• Typical VOLP (Output Ground Bounce)
< 0.8V at VCC = 3.3V, TA = 25°C
• Typical VOHV (Output VOH Undershoot)
< 2.0V at VCC = 3.3V, TA = 25°C
• Industrial operation at –40°C to +85°C
• Packages available:
– 56-pin 240 mil wide plastic TSSOP (A)
– 56-pin 173 mil wide plastic TVSOP (K)
– 56-pin 300 mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor’s PI74ALVC series of logic circuits
are produced in the Company’s advanced 0.5 micron CMOS
technology, achieving industry leading speed.
The 18-bit PI74ALVC162835 universal bus driver is designed
for 2.3V to 3.6V Vcc operation.
Data flow from A to Y is controlled by Output Enable (OE).
The device operates in the transparent mode when LE is HIGH. The
A data is latched if CLK is held at a high or low logic level. If LE is
LOW, the A-bus is stored in the latch/flip-flop on the low-to-high
transition of CLK. When OE is HIGH, the outputs are in the high-
impedance state.
To ensure the high-impedance state during power up or power down,
OE 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
27
OE
30
CLK
28
LE
54
A1
1D
C1
CLK
3 Y1
TO 17 OTHER CHANNELS
1 PS8179A 02/03/99

PI74ALVC162835
PI74ALVC162835
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Product Pin Description
Pin Name
OE
LE
CLK
A
Y
GND
VCC
www.DataSheet4U.com
Description
Output Enable Input (Active LOW)
Latch Enable
Clock Input
Data Input
Data Output
Ground
Power
Product Pin Configuration
NC 1
56 GND
NC 2
55 NC
Y1 3
54 A1
GND
4
53 GND
Y2 5
52 A2
Y3 6
51 A3
VCC 7
50 VCC
Y4 8
49 A4
Y5 9
48 A5
Y6 10
47 A6
GND 11
46 GND
Y7 12
45 A7
Y8 13 56-PIN 44 A8
Y9 14 A-56 43 A9
Y10 15 K-56 42 A10
Y11 16 V-56 41 A11
Y12 17
40 A12
GND 18
39 GND
Y13 19
38 A13
Y14 20
37 A14
Y15 21
36 A15
VCC 22
Y16 23
35 VCC
34 A16
Y17 24
33 A17
GND 25
32 GND
Y18 26
31 A18
OE 27
30 CLK
LE 28
29 GND
Truth Table(1)
Inputs
Outputs
OE LE CLK A
Y
HXXXZ
LHXL L
L HXHH
LLLL
L L HH
L L H X Yo(2)
L L L X Yo(3)
Notes:
1 H = High Signal Level
L = Low Signal Level
Z = High Impedance
= Transition LOW-to-HIGH
X = Irrelevant
2. Output level before the indicated steady-state input
conditions were established, provided that CLK is high
before LE goes low.
3. Output level before the indicated steady-state input
conditions were established.
2 PS8179A 02/03/99


Features 1234567890123456789012345678901212345678 901234567890123456789012123456789012345 678901234567890121234567890123456789012 3456789012123456789012 1234567890123456 789012345678901212345678901234567890123 456789012123456789012345678901234567890 121234567890123456789012345678901212345 6789012 PI74ALVC162835 18-Bit Univers al Bus Driver with 3-State Outputs Prod uct Features • PI74ALVC162835 is desi gned for low voltage operation, VCC = 2 .3V to 3.6V • Outputs have equivalent 26Ω series resistors • Supports PC 100 Registered DIMM www.DataSheet4U.com • Typical VOLP (Output Ground Bounce ) < 0.8V at VCC = 3.3V, TA = 25°C • Typical VOHV (Output VOH Undershoot) < 2.0V at VCC = 3.3V, TA = 25°C • Indu strial operation at –40°C to +85°C • Packages available: – 56-pin 240 mil wide plastic TSSOP (A) – 56-pin 1 73 mil wide plastic TVSOP (K) – 56-pi n 300 mil wide plastic SSOP (V) Produc t Description Pericom Semiconductor’s PI74ALVC series of logic circuits are produced in the Company’s advanced 0.5 micron CMOS tec.
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