CY7C1298HDocument #: 38-05665 Rev. *B Page 8 of 16
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature...................................– 65°C to + 150°
Ambient Temperature with
Power Applied............................................–55°C to + 125°C
Supply Voltage on VDD Relative to GND.......–0.5V to + 4.6V
Supply Voltage on VDDQ Relative to GND.....–0.5V to + VDD
DC Voltage Applied to Outputs
in tri-state............................................ –0.5V to VDDQ + 0.5V
DC Input Voltage................................... –0.5V to VDD + 0.5V
Current into Outputs (LOW).........................................20 mA
Static Discharge Voltage...........................................> 2001V
(per MIL-STD-883,Method 3015)
Latch -up Current....................................................> 200 mA
Operating Range
Range Ambient
Temperature (TA)V
DD VDDQ
Com’l 0°C to +70°C 3.3V −5%/+10% 2.5V −5%
to VDD
Ind’l –40°C to +85°C
Electrical Characteristics Over the Operating Range[7,8]
Parameter Description Test Conditions Min. Max. Unit
VDD Power Supply Voltage 3.135 3.6 V
VDDQ I/O Supply Voltage for 3.3V I/O 3.135 VDD V
for 2.5V I/O 2.375 2.625 V
VOH Output HIGH Voltage for 3.3V I/O, IOH = –4.0 mA 2.4 V
for 2.5V I/O, IOH = –1.0 mA 2.0 V
VOL Output LOW Voltage for 3.3V I/O, IOL = 8.0 mA 0.4 V
for 2.5V I/O, IOL = 1.0 mA 0.4 V
VIH Input HIGH Voltage[7] for 3.3V I/O 2.0 VDD + 0.3V V
for 2.5V I/O 1.7 VDD + 0.3V V
VIL Input LOW Voltage[7] for 3.3V I/O –0.3 0.8 V
for 2.5V I/O –0.3 0.7 V
IXInput Leakage Current
except ZZ and MODE GND ≤ VI ≤ VDDQ –5 5 µA
Input Current of MODE Input = VSS –30 µA
Input = VDD 5µA
Input Current of ZZ Input = VSS –5 µA
Input = VDD 30 µA
IOZ Output Leakage Current GND ≤ VI ≤ VDDQ, Output Disabled –5 5 µA
IDD VDD Operating Supply
Current VDD = Max., IOUT = 0 mA,
f = fMAX = 1/tCYC
6-ns cycle, 166 MHz 240 mA
7.5-ns cycle, 133 MHz 225 mA
ISB1 Automatic CS
Power-down
Current—TTL Inputs
VDD = Max., Device Deselected,
VIN ≥ VIH or VIN ≤ VIL,
f = fMAX = 1/tCYC
6-ns cycle, 166 MHz 100 mA
7.5-ns cycle, 133 MHz 90 mA
ISB2 Automatic CS
Power-down
Current—CMOS Inputs
VDD = Max., Device Deselected,
VIN ≤ 0.3V or
VIN > VDDQ – 0.3V, f = 0
All speeds 40 mA
ISB3 Automatic CS
Power-down
Current—CMOS Inputs
VDD = Max., Device Deselected,
or VIN ≤ 0.3V or
VIN > VDDQ – 0.3V,
f = fMAX = 1/tCYC
6-ns cycle, 166 MHz 85 mA
7.5-ns cycle, 133 MHz 75 mA
ISB4 Automatic CS
Power-down
Current—TTL Inputs
VDD = Max., Device Deselected,
VIN ≥ VIH or VIN ≤ VIL, f = 0 All speeds 45 mA
Notes:
7. Overshoot: VIH(AC) < VDD +1.5V (Pulse width less than tCYC/2), undershoot: VIL(AC)> –2V (Pulse width less than tCYC/2).
8. Power-up: Assumes a linear ramp from 0V to VDD(min.) within 200 ms. During this time VIH < VDD and VDDQ < VDD.
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