CY2037 Cypress Semiconductor, CY2037 Datasheet - Page 5

• Manufacturer Part Number: CY2037
• Description: High Accuracy EPROM Programmable PLL Die for Crystal Oscillators
• Manufacturer: Cypress Semiconductor

Output Clock Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Note:
Symbol
1w
1x
1y
1z
2
3
4
5a
5b
6
7a
7b
8
9
2.
Oscillator start time cannot be guaranteed for all crystal types. This specification is for operation with AT cut crystals with ESR < 70 ohms.
Output Duty Cycle at
1.4V, V
t
Output Duty Cycle at
V
t
Output Duty Cycle at
V
t
Output Duty Cycle at
V
t
Output Clock Rise time Between 0.8 –2.0V, V
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
Peak-to-Peak Period
Jitter
1w
1x
1y
1z
DD
DD
DD
= t
= t
= t
= t
/2, V
/2, V
/2, V
Description
1A
1A
1A
1A
DD
DD
DD
DD
t
t
t
= 4.5–5.5V
t
1B
1B
1B
1B
= 4.5–5.5V
= 3.0–3.6
= 2.7–3.6V
1–27 MHz, C
27–80 MHz, C
27–125 MHz, C
125–200 MHz, C
1–66.6 MHz, C
66.6–125 MHz, C
125–200 MHz, C
1–50 MHz, C
50–100 MHz, C
1–40 MHz, C
40–66.6 MHz, C
Between 0.8 –2.0V, V
Between 0.8 –2.0V, V
Between 0.2V
Between 0.2V
Between 0.2V
Between 0.2V
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
Between 0.2V
PWR_DWN or OE pin LOW to HIGH
PWR_DWN pin HIGH to output LOW
(T=frequency oscillator period)
PWR_DWN pin HIGH to output LOW
From power on
OE pin HIGH to output Hi-Z
(T=frequency oscillator period)
OE pin HIGH to output Hi-Z
PWR_DWN or OE pin LOW to HIGH
V
V
V
DD
DD
DD
PRELIMINARY
= 4.5V–5.5V, Fo > 33 MHz, VCO > 100 MHz
= 3.0V–3.6V, Fo > 33 MHz, VCO >100 MHz
= 3.0V–5.5V, Fo <33 MHz
L
L
L
DD
DD
DD
DD
DD
DD
DD
DD
L
<= 50 pF
<= 30 pF
<= 15 pF
L
[2]
L
L
Over the Operating Range
<= 15pF
L
<= 50 pF
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
– 0.8V
L
L
<= 25pF
<= 15pF
L
<= 15 pF
<= 15pF
<= 15pF
<= 25 pF
Test Conditions
DD
DD
DD
DD
DD
DD
DD
DD
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
, V
= 4.5V–5.5V, C
, V
, V
, V
, V
5
DD
DD
DD
DD
DD
DD
DD
DD
= 4.5V–5.5V, C
= 3.0V–3.6V, C
= 3.0V–3.6V, C
= 2.7V–3.6V, C
= 4.5V-5.5V, C
= 3.0V–3.6V, C
= 3.0V–3.6V, C
= 2.7V–3.6V, C
[2]
L
L
L
L
L
L
= 50 pF
= 25 pF
= 15 pF
= 25 pF
= 15 pF
= 50 pF
L
L
L
L
L
L
L
L
= 50 pF
= 50 pF
= 30 pF
= 15 pF
= 15 pF
= 30 pF
= 15 pF
= 15 pF
Min
45
45
40
40
45
40
40
45
40
45
40
±100
Typ
±50
±75
T/2
T/2
10
10
1
1
T+10
T+10
±100
±125
±250
Max
100
1.8
1.2
0.9
3.4
4.0
2.4
4.0
1.8
1.2
0.9
3.4
4.0
2.4
4.0
55
55
60
60
55
60
60
55
60
55
60
15
15
CY2037
2
2
Unit
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
%
%
%
%
%
%
%
%
%
%
%