W234X Cypress Semiconductor Corp, W234X Datasheet - Page 9

• 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 9. Supply and Reference Current Specification
Table 10 represents stress ratings only, and functional operation at the maximums is not guaranteed.
Table 10. Absolute Maximum Ratings
Table 11 gives the nominal values of the external components and their maximum acceptable tolerance, assuming Z
Table 11. External Component Values
Note:
Clock Output Driver
Document #: 38-07232 Rev. *B
1.
I
I
I
I
I
VDD
V
R
R
C
C
POWERDOWN
CLKSTOP
NORMAL
REF,PWDN
REF,NORM
I, ABS
S
P
F
MID
Parameter
Do not populate C
Parameter
Parameter
, ABS
F
“Supply” current in Power-Down state (PWR_DWN# = 0)
“Supply” current in Clk Stop state (STOP# = 0)
“Supply” current in Normal state
(STOP# = 1,PWR_DWN# = 1)
Current at VDDIR or VDDIPD reference pin in PWR_DWN#
state (PWR_DWN# = 0)
Current at VDDIR or VDDIPD reference pin in Normal or Clk
Stop state (PWR_DWN# = 1)
. Leave pads for future use.
Max. voltage on VDD with respect to ground
Max. voltage on any pin with respect to ground
Serial Resistor
Parallel Resistor
Edge Rate Filter Capacitor
AC Ground Capacitor
Description
Figure 7. Example System Clock Driver Equivalent Circuit
Description
Description
Test Load
100 pF
Note 1
47
47
Recommended
Note 1
Value
0.1
Min.
–0.5
–0.5
39
51
Min.
--
--
--
--
--
Tolerance
VDD+0.5
±10%
±20%
Max.
±5%
±5%
4.0
Max.
175
225
1.2
50
4
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Unit
CH
Unit
Unit
pF
mA
mA
mA
mA
V
V
µA
W234
F
=28 .