CY2077 Cypress Semiconductor Corporation., CY2077 Datasheet - Page 5

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

Output Clock Switching Characteristics Commercial
Over the Operating Range
Document Number: 38-07210 Rev. *C
Notes
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
4. Not all parameters measured in production testing.
5. Oscillator start time can not be guaranteed for all crystal types. This specification is for operation with AT cut crystals with ESR < 70Ω.
1w
1x
1y
2
3
4
5a
5b
6
7a
7b
8
9
Output duty cycle at 1.4V,
V
t
Output duty cycle at V
V
t
Output duty cycle at V
V
t
Output clock rise time
Output clock fall time
Start-up time out of power
down
Power down delay time
(synchronous setting)
Power down delay time
(asynchronous setting)
Power up time
Output disable time
(synchronous setting)
Output disable time
(asynchronous setting)
Output enable time
(always synchronous
enable)
Peak-to-peak period
jitter
1w
1x
1y
DD
DD
DD
= t
= t
= t
= 4.5 – 5.5V
= 4.5 – 5.5V
= 3.0 – 3.6V
1A
1A
1A
Description
÷ t
÷ t
÷ t
1B
1B
1B
[4]
DD
DD
/2,
/2,
1 – 40 MHz, C
40 – 125 MHz, C
125 – 133 MHz, C
1 – 40 MHz, C
40 – 125 MHz, C
125 – 133 MHz, C
1 – 40 MHz, C
40 – 100 MHz, C
Between 0.8 – 2.0V, V
Between 0.8 – 2.0V, V
Between 0.2V
Between 0.2V
Between 0.2V
Between 0.8V –2.0V, V
Between 0.8 – 2.0V, V
Between 0.8 – 2.0V, V
Between 0.2V
Between 0.2V
Between 0.2V
PWR_DWN pin LOW to HIGH
PWR_DWN pin LOW to output LOW
(T= period of output CLK)
PWR_DWN pin LOW to output LOW
From power on
OE pin LOW to output high-Z
(T= period of output CLK)
OE pin LOW to output high-Z
OE pin LOW to HIGH
(T= period of output CLK)
V
V
Between 0.8 – 2.0V, V
DD
DD
= 3.0V – 5.5V, Fo < 33 MHz
= 3.0V – 3.6V, 4.5V – 5.5V, Fo > 33 MHz, V
DD
DD
DD
DD
DD
DD
L
L
L
[5]
<= 50 pF
<= 50 pF
<= 30 pF
L
L
L
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
L
L
<= 25 pF
<= 25 pF
<= 15 pF
<= 15 pF
<= 15 pF
DD
DD
DD
DD
DD
DD
Test Conditions
DD
DD
DD
DD
DD
DD
= 4.5V – 5.5V, C
= 4.5V – 5.5V, C
= 4.5V – 5.5V, C
= 4.5V – 5.5V, C
= 4.5V – 5.5V, C
, V
, V
, V
= 4.5V – 5.5V, C
, V
, V
, V
DD
DD
DD
DD
DD
DD
[5]
= 4.5V – 5.5V, C
= 3.0V – 3.6V, C
= 3.0V – 3.6V, C
= 4.5V – 5.5V, C
= 3.0V – 3.6V, C
= 3.0V – 3.6V, C
L
L
L
L
L
L
= 50 pF
= 25 pF
= 15 pF
= 25 pF
= 15 pF
= 50 pF
L
L
L
L
L
L
CO
= 50 pF
= 30 pF
= 15 pF
= 50 pF
= 30 pF
= 15 pF
> 100 MHz
Min
45
45
45
45
45
45
45
40
0.3%
Typ
T/2
T/2
10
10
80
T
1
1
CY2077
Page 5 of 14
25ns
1.5T
Max Unit
150
T +
T +
1%
1.8
1.2
0.9
3.4
4.0
2.4
1.8
1.2
0.9
3.4
4.0
2.4
55
55
55
55
55
55
55
60
10
15
10
15
2
2
+
% of
ms
ms
F
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
%
%
%
%
%
%
%
%
O
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