W255H Cypress Semiconductor Corp, W255H Datasheet - Page 5

• Manufacturer Part Number: W255H
• Manufacturer: Cypress Semiconductor Corp

Specifications of W255H

• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-07255 Rev. *C
Switching Characteristics
Switching Waveforms
Duty Cycle Timing
All Outputs Rise/Fall Time
Output-Output Skew
SDRAM Buffer HH and LL Propagation Delay
t
t
t
t
t
Parameter
4d
5
6
7
8
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
DDR Falling Edge Rate
Output to Output Skew for DDR
Output to Output Skew for
SDRAM
SDRAM Buffer LH Prop. Delay
SDRAM Buffer HL Prop. Delay
t
0.4V
3
1.5V
2.4V
t
6
t
5
[3]
Name
t
2
1.5V
(continued)
t
1
[3]
2.4V
0.4V
t
4
[3]
[3]
[3]
[4]
Measured between 20% to 80% of
output (refer to Figure 1)
All outputs equally loaded
All outputs equally loaded
Input edge greater than 1 V/ns
Input edge greater than 1 V/ns
t
7
Test Conditions
3.3V
0V
Min.
0.5
5
5
Typ.
Max.
1.50
100
150
10
10
Page 5 of 10
W255
V/ns
Unit
ps
ps
ns
ns