CYNSE10128-083FGCI CYPRESS [Cypress Semiconductor], CYNSE10128-083FGCI Datasheet - Page 143

• Manufacturer Part Number: CYNSE10128-083FGCI
• Manufacturer: CYPRESS [Cypress Semiconductor]

10.3
The following test conditions are the equivalent of the actual tester measurement condition. The effect of transmission line is
removed from the results.
10.3.1
Table 10-4. 2.5V / 1.8V AC Table for LVCMOS Test Condition of Ayama 10000
Document #: 38-02069 Rev. *F
Input pulse levels
Input rise and fall times measured for 2.5V LVCMOS at 0.25V and 2.25V
Input rise and fall times measured for 1.8V LVCMOS at 0.18V and 1.98V
Input timing reference levels (2.5V / 1.8V)
Output reference levels (2.5V / 1.8V)
AC Test Conditions and Output Loads
LVCMOS 2.5V/1.8V
Figure 10-5. Test Condition of 2.5V High-Z LVCMOS I/O Output Load Equivalent
Figure 10-6. Test Condition of 1.8V High-Z LVCMOS I/O Output Load Equivalent
Figure 10-4. Test Condition of 2.5V LVCMOS I/O Output Load Equivalent
Conditions
Figure 10-3. LVCMOS I/O Input Waveform
+2.5V / +1.8V
D
D
OUT
OUT
D
GND
OUT
10%
90%
CONFIDENTIAL
PRELIMINARY
523
470
Ω
Ω
V
DDQ
6pF
V
50
DDQ
Ω
= 2.5V
479
6 pF
= 1.8V
V
470
6 pF
L
Ω
= 1/2 * V
90%
Ω
10%
For high-Z
For high-Z
GND to 2.5V / 1.8V
≤ 1.2 ns (see Figure 10-3)
≤ 1.2 ns (see Figure 10-3)
1.25V / 0.9V
1.25V / 0.9V
DDQ
Results
CYNSE10512
CYNSE10256
CYNSE10128
Page 143 of 153
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