CY29948AC Cypress Semiconductor Corp, CY29948AC Datasheet - Page 4

• Manufacturer Part Number: CY29948AC
• Description: IC CLK BUFF 1:12 200MHZ 32TQFP
• Manufacturer: Cypress Semiconductor Corp
• Type: Fanout Buffer (Distribution), Multiplexerr

Specifications of CY29948AC

• Number Of Circuits: 1
• Ratio - Input:output: 1:12
• Differential - Input:output: Yes/No
• Input: LVCMOS, LVPECL, LVTTL
• Output: LVCMOS, LVTTL
• Frequency - Max: 200MHz
• Voltage - Supply: 2.375 V ~ 3.63 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP
• Frequency-max: 200MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC Parameters
Notes
Document Number: 38-07288 Rev. *D
Fmax
Tpd
FoutDC
tpZL, tpZH
tpLZ, tpHZ
Tskew
Tskew(pp)
Ts
Th
Tr/Tf
6. Parameters are guaranteed by design and characterization. Not 100% tested in production. All parameters specified with loaded outputs.
7. Outputs driving 50Ω transmission lines.
8. 50% input duty cycle.
9. See Figures 2 and 3.
10. Setup and hold times are relative to the falling edge of the input clock
11. Part-to-Part skew at a given temperature and voltage.
Parameter
Input Frequency
PECL_CLK to Q Delay
TCLK to Q Delay
PECL_CLK to Q Delay
TCLK to Q Delay
Output Duty Cycle
Output Enable Time (all outputs)
Output Disable Time (all outputs)
Output-to-Output Skew
Part-to-Part Skew
Set-up Time
Hold Time
Output Clocks Rise/Fall Time
[6]
Figure 2. LVCMOS_CLK CY29948 Test Reference for V
Figure 3. PECL_CLK CY29948 Test Reference for V
[7, 10]
V
Description
Z = 50 ohm
DD
Differential
[7, 10]
Generator
Pulse
= V
Z = 50 ohm
Generator
[7]
[7]
[7]
Pulse
[11]
[7, 8, 9]
DDC
[7]
[7]
= 3.3V ±10% or 2.5V ±5%, over the specified operating range.
[7, 9]
[9]
Zo = 50 ohm
Zo = 50 ohm
V
V
V
V
Measured at V
PECL_CLK to Q
TCLK to Q
SYNC_OE to PECL_CLK
SYNC_OE to TCLK
PECL_CLK to SYNC_OE
TCLK to SYNC_OE
0.8V to 2.0V, V
0.6V to 1.8V, V
Zo = 50 ohm
DD
DD
DD
DD
VTT
R
R
T
= 3.3V
= 2.5V
= 3.3V
= 2.5V
T
= 50 ohm
= 50 ohm
CY29948 DUT
Conditions
DD
VTT
DD
DD
CY29948 DUT
/2
= 3.3V
= 2.5V
CC
CC
= 3.3V and V
Zo = 50 ohm
= 3.3V and V
Zo = 50 ohm
R
T
R
Min.
0.20
0.20
= 50 ohm
4.0
4.4
6.0
6.4
1.0
0.0
0.0
1.0
45
T
2
2
–
–
–
= 50 ohm
CC
VTT
CC
= 2.5V
Typ.
150
= 2.5V
VTT
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Max.
10.0
10.9
200
170
250
8.0
8.9
1.5
2.0
1.0
1.3
55
10
10
–
–
–
–
CY29948
Unit
MHz
ns
ns
ns
ps
ns
ns
ns
ns
%
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