cy7b9945v Cypress Semiconductor Corporation., cy7b9945v Datasheet - Page 6

• Manufacturer Part Number: cy7b9945v
• Description: High-speed Multi-phase Pll Clock Buffer
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07336 Rev. *E
Absolute Maximum Conditions
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................. –40°C to +125°C
Ambient Temperature
with Power Applied ..................................... –40°C to +125°C
Supply Voltage to Ground Potential ............... –0.5V to +4.6V
DC Input Voltage......................................–0.3V to V
Electrical Characteristics
LVTTL-compatible Output Pins (1Q[0:3],2Q[0:5])
V
V
I
LVTTL-compatible Input Pins (FBK, REF±, DIS[1:2],REFSEL)
V
V
I
I
I
Three-level Input Pins (FS[0:2], 1F[0:3], 2F[0:1], [1:2]DS[0:1], FBFO, FBDS[0:1],MODE)
V
V
V
I
I
I
LVDIFF Input Pins (REF[A:B]±)
V
V
V
V
Operating Current
I
I
Note:
OZ
I
lH
lL
IHH
IMM
ILL
CCI
CCN
4.
5.
6.
Parameter
OH
OL
IH
IL
IHH
IMM
ILL
DIFF
IHHP
ILLP
COM
These inputs are normally wired to V
the unconnected inputs at V
time before all data sheet limits are achieved.
I
the maximum frequency. FS is asserted to the HIGH state.
This is dependent upon frequency and number of outputs of a bank being loaded. The value indicates maximum I
load of 25 pF terminated to 50Ω at V
CCI
measurement is performed with Bank1 and FB Bank configured to run at maximum frequency (f
LVTTL HIGH Voltage
LVTTL LOW Voltage
High-impedance State Leakage Current
LVTTL Input HIGH
LVTTL Input LOW
LVTTL V
LVTTL Input HIGH Current
LVTTL Input LOW Current
Three-level Input HIGH
Three-level Input MID
Three-level Input LOW
Three-level Input HIGH
Current
Three-level Input MID
Current
Three-level Input LOW
Current
Input Differential Voltage
Highest Input HIGH Voltage
Lowest Input LOW Voltage
Common Mode Range (Crossing Voltage)
Internal Operating
Current
Output Current
Dissipation/Pair
IN
>V
CC
/2. If these inputs are switched, the function and timing of the outputs may glitch and the PLL may require an additional t
CC
[6]
CC
CC
Over the Operating Range
, GND, or left unconnected (actual threshold voltages vary as a percentage of V
/2.
Description
[4]
[4]
[4]
(QF, 1Q[0:3], 2Q[0:5])
LOCK
(QF, 1Q[0:3], 2Q[0:5])
LOCK
FS[0:2],IF[0:3],FBDS[0:1]
2F[0:1],[1:2]DS[0:1],FBFO
FS[0:2],IF[0:3],FBDS[0:1]
2F[0:1],[1:2]DS[0:1],FBFO
FS[0:2],IF[0:3],FBDS[0:1]
2F[0:1],[1:2]DS[0:1],FBFO
CY7B9945V
CY7B9945V
CC
+0.5V
Output Current into Outputs (LOW)............................. 40 mA
Static Discharge Voltage........................................... > 1100V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................. > ± 200 mA
Operating Range
Commercial
Industrial
V
I
V
I
Min. < V
Min. < V
V
V
V
Min. < V
Min. < V
Min. < V
V
V
V
V
V
pF, R
f
OH
OL
MAX
Range
CC
CC
CC
CC
CC
IN
IN
IN
CC
CC
= 2 mA, V
= –2 mA, V
= V
= V
= GND
Test Conditions
= Min., I
= Min., I
= GND, V
= Max., V
= Max., V
= Max., f
= Max., C
LOAD
CC
CC
CC
CC
CC
CC
CC
/2
= 50Ω at V
< Max.
< Max.
< Max.
< Max.
< Max.
NOM
OH
OL
CC
MAX
IN
IN
LOAD
IN
Ambient Temperature
CC
= 30 mA
= –30 mA
= Min.
= 200 MHz) and the other output bank to run at half
= 3.63V
= V
= GND
[5]
–40
= Min.
0
= 25
CC
CC
°
C to +70
°
/2,
CCN
C to +85
at maximum frequency and maximum
CC
0.87 * V
0.47 * V
). Internal termination resistors hold
–100
–500
–100
–200
–400
GND
Min.
–0.3
°
–50
400
2.4
2.4
2.0
1.0
0.8
C
°
–
–
–
–
–
–
–
–
–
C
RoboClock
CC
CC
CY7B9945V
0.53 * V
0.13 * V
V
V
V
CC
CC
CC
Max.
3.3V ±10%
3.3V ±10%
V
V
100
100
500
200
400
100
250
0.5
0.5
0.8
50
40
Page 6 of 10
–
–
–
–
–
–
CC
CC
+ 0.3
– 0.4
– 0.2
V
CC
CC
CC
Unit
LOCK
mV
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA

V
V
V
V
V
V
V
V
V
V
V
V
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