W234X Cypress Semiconductor Corp, W234X Datasheet - Page 11

• Manufacturer Part Number: W234X
• Description: CLOCK GEN DIR RAMBS DUAL 28TSSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Direct RAMbus Clock Generatorr

Specifications of W234X

• Input: CMOS
• Output: CMOS
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1398

Table 13. Device Characteristics
Notes:
Ordering Information
Document #: 38-07232 Rev. *B
7.
8.
9.
t
t
V
V
V
V
V
I
DC
t
t
t
W234
CYCLE
J
OZ,STOP
DC,ERR
R,
CR,CF
X,STOP
X
COS
OH
OL
Parameter
t
F
Output Jitter spec measured at t
Output Jitter Spec measured at t
V
Ordering Code
COS
= V
OH
–V
OL.
Clock Cycle Time
Cycle-to-Cycle Jitter at CLK/CLK#
Total Jitter over 2, 3, or 4 Clock Cycles
266-MHz Cycle-to-Cycle Jitter
266-MHz Total Jitter over 2, 3, or 4 Clock Cycles
Output Voltage during Clk Stop (STOP#=0)
Differential Output Crossing-Point Voltage
Output Voltage Swing (p-p single-ended)
Output High Voltage
Output Low voltage
Output Current during Clk Stop (STOP# = 0)
Output Duty Cycle over 10,000 Cycles
Output Cycle-to-Cycle Duty Cycle Error
Output Rise and Fall Times (measured at 20%–80% of output voltage)
Difference between Output Rise and Fall Times on the Same Pin of a
Single Device (20%–80%)
Package
CYCLE
CYCLE
Name
X
= 2.5 ns.
= 3.75 ns.
28-pin TSSOP (173 mils)
Description
[8]
Package Type
[7]
[7]
[9]
[8]
Min.
300
2.5
1.1
1.3
1.1
0.6
40
-
-
-
-
-
-
-
-
Max.
3.75
500
550
100
2.0
1.8
1.5
2.5
60
75
60
75
60
50
-
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%t
W234
Unit
CYCLE
µA
ns
ps
ps
ps
ps
ps
ps
ps
V
V
V
V
V