W134SH Cypress Semiconductor Corp, W134SH Datasheet - Page 6

• Manufacturer Part Number: W134SH
• Description: IC CLK GEN DIR RAMBUS 3.3V24QSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Direct RAMbus Clock Generatorr

Specifications of W134SH

• Output: RSL
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Input: -
• Other names: 428-1475

Document #: 38-07426 Rev. *B
Timing Diagrams
Table 8. State Transition Latency Specifications
Transition
G
M
A
C
K
H
J
Power-down Exit and Entry
Output Enable Control
Mult0 and/or Mult1
Power-down
Power-down
Power-down
V
V
V
Normal
From
DD
DD
DD
ON
ON
ON
Clk/ClkB
Clk/ClkB
Clk/ClkB
PwrDnB
StopB
Clk Stop
Clk Stop
Normal
Normal
Normal
Test
Test
To
Figure 5. State Transition Timing Diagrams
Output clock
not specified
glitches may
occur
Figure 6. Multiply Transition Timing
Parameter
t
t
t
t
t
t
Transition Latency
POWERUP
POWERUP
POWERUP
POWERUP
POWERUP
POWERUP
t
CLKON
t
t
MULT
MULT
t
POWERUP
Clock enabled
and glitch-free
t
CLKSETL
t
ON
Max.
3 ms
3 ms
3 ms
3 ms
3 ms
3 ms
1 ms
Time from PwrDnB to Clk/ClkB output settled
(excluding t
Time from PwrDnB until the internal PLL and clock has
turned ON and settled.
Time from PwrDnB to Clk/ClkB output settled
(excluding t
Time from V
output settled (excluding t
Time from V
and clock has turned ON and settled.
Time from V
and clock has turned ON and settled.
Time from when Mult0 or Mult1 changed until Clk/ClkB
output resettled (excluding t
Clock output settled within
50 ps of the phase before
disabled
DISTLOCK
DISTLOCK
DD
DD
DD
is applied and settled until internal PLL
is applied and settled until internal PLL
is applied and settled until Clk/ClkB
t
t
POWERDN
STOP
t
CLKOFF
Description
).
).
DISTLOCK
W134M/W134S
DISTLOCK
).
).
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