PI74AVC16834A Pericom Semiconductor, PI74AVC16834A Datasheet
PI74AVC16834A
Manufacturer Part Number
PI74AVC16834A
Description
IC UNIV BUS DVR 18BIT 56TSSOP
Manufacturer
Pericom Semiconductor
Series
74AVCr
Datasheet
1.PI74AVC16834A.pdf
(10 pages)
Specifications of PI74AVC16834A
Logic Type
Universal Bus Driver
Number Of Circuits
18-Bit
Current - Output High, Low
12mA, 12mA
Voltage - Supply
1.65 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Product Features
• Very high-speed, low-noise universal bus driver with
• Meets PC133 SDRAM Registered DIMM specification
• Implements output impedance control for low-noise and
• Fast Propagation Delay:
• V
• Packaging (Pb-free & Green available):
Product Pin Configuration
embedded resistor outputs
heavy-load applications
2.5ns max. for 50pF test load
– 56-pin 240 mil wide plastic TSSOP (A)
CC
= 3.3V or 2.5V or 1.8V
09-0003
GND
GND
GND
GND
V
V
Y10
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y11
NC
NC
OE
CC
CC
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
LE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
GND
NC
A1
GND
A2
A3
V
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
V
A16
A17
GND
A18
CLK
GND
CC
CC
1
Product Description
The 18-bit PI74AVC16834 universal bus driver is designed for 1.8V
to 3.6V V
Data flow from A to Y is controlled by Output Enable (OE). The device
operates in the transparent mode when LE is LOW. The A data is
latched if CLK is held at a high or low logic level. If LE is HIGH, 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.
The PI74AVC16834 bus driver is designed to drive an array of
133 MHz synchronous memory chips, with minimal undershoot/
overshoot noise, and to meet the input signal rise/fall time
requirement of memory chips.
The output drivers of this part have an embedded series-resistor.
For DIMM module design, no external series termination resistors
near the buffer drivers or any other termination resistors are
required. This feature simplifies DIMM module layout design, and
results in cost savings.
CC
operation.
18-Bit Universal Bus Driver
with 3-State Outputs
PI74AVC16834
PS8375H 10/27/09
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PI74AVC16834A Summary of contents
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... For latest package info, please check: http://www.pericom.com/products/packaging/mechanicals.php • Ordering Information Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free & Green • Adding an X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 09-0003 & PI74AVC16834 18-Bit Universal Bus Driver with 3-State Outputs ...