CY2077 Cypress Semiconductor Corporation., CY2077 Datasheet - Page 8

• Manufacturer Part Number: CY2077
• Description: High-accuracy Eprom Programmable Single-pll Clock Generator
• Manufacturer: Cypress Semiconductor Corporation.

Switching Waveforms
Document Number: 38-07210 Rev. *C
Notes
6. In synchronous mode, the power down or output three-state is not initiated until the next falling edge of the output clock.
7. In asynchronous mode, the power down or output three-state occurs within 25 ns regardless of position in the output clock cycle.
(asynchronous
(synchronous
(asynchronous
POWER
(synchronous
OUTPUT
DOWN
OUTPUT
CLKOUT
CLKOUT
CLKOUT
POWER
OUTPUT
CLKOUT
CLKOUT
ENABLE
UP
[
6]
[
VDD
7]
)
)
0V
[
t 2
6]
[
7]
)
)
V
0V
V
DD
0V
DD
Figure 6. Output Enable Timing (synchronous and asynchronous modes)
T
Figure 4. Power down Timing (synchronous and asynchronous modes)
V
t 1A
min 30
max 30 ms
DD
T
– 10%
t 1B
μ
s
VIL
t5b
Figure 2. Duty Cycle Timing (t
t 3
t5a
Figure 3. Output Rise/Fall Time
Figure 5. Power up Timing
VIH
VIL
t7b
t7a
V
0V
t6
High Impedance
High Impedance
DD
VIH
1w
, t
1x
, t
1y
)
t8
t8
1/f
t4
1/f
1/f
CY2077
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