CY7C1444AV25
CY7C1445AV25
Document #: 38-05351 Rev. *E
Page 13 of 26
2.5V TAP AC Test Conditions
Input pulse levels ................................................ VSS to 2.5V
Input rise and fall time..................................................... 1 ns
Input timing reference levels .........................................1.25V
Output reference levels.................................................1.25V
Test load termination supply voltage .............................1.25V
2.5V TAP AC Output Load Equivalent
1.8V TAP AC Test Conditions
Input pulse levels......................................0.2V to VDDQ – 0.2
Input rise and fall time .....................................................1 ns
Input timing reference levels........................................... 0.9V
Output reference levels .................................................. 0.9V
Test load termination supply voltage .............................. 0.9V
1.8V TAP AC Output Load Equivalent
Note:
11. All voltages referenced to VSS (GND).
TDO
1.25V
20pF
Z = 50
Ω
O
50
Ω
TDO
0.9V
20pF
Z = 50
Ω
O
50
Ω
TAP DC Electrical Characteristics And Operating Conditions
(0°C < TA < +70°C; VDD = 2.5V ±0.125V unless otherwise noted)
[11]
Parameter
Description
Test Conditions
Min.
Max.
Unit
VOH1
Output HIGH Voltage
IOH = –1.0 mA, VDDQ = 2.5V
2.0
V
VOH2
Output HIGH Voltage
IOH = –100 µA
VDDQ = 2.5V
2.1
V
VDDQ = 1.8V
1.6
V
VOL1
Output LOW Voltage
IOL = 1.0 mA
VDDQ = 2.5V
0.4
V
VOL2
Output LOW Voltage
IOL = 100 µA
VDDQ = 2.5V
0.2
V
VDDQ = 1.8V
0.2
V
VIH
Input HIGH Voltage
VDDQ = 2.5V
1.7
VDD + 0.3
V
VDDQ = 1.8V
1.26
VDD + 0.3
V
VIL
Input LOW Voltage
VDDQ = 2.5V
–0.3
0.7
V
VDDQ = 1.8V
–0.3
0.36
V
IX
Input Load Current
GND < VIN < VDDQ
–5
5
µA
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