Cypress CY7C144, CY7C145 CY7C145, CY7C144

CY7C145, CY7C144
Document #: 38-06034 Rev. *D Page 4 of 21
Maximum Ratings
Exceeding maximum ratings may impair the useful life of the
device. These user guidelines are not tested.[5]
Storage Temperature .....................................− 65°C to +150°C
Ambient Temperature with
Power Applied.................................................. −55°C to +125°C
Supply Voltage to Ground Potential.................−0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State........................ .............................−0.5V to +7.0V
DC Input Voltage[6]..............................................−0.5V to +7.0V
Output 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
Temper atu re VCC
Commercial 0°C to +70°C 5V ± 10%
Industrial −40°C to +85°C 5V ± 10%
Electrical Characteristics Over the Operating Range
Parameter Description Test Conditions
7C144-15
7C145-15
7C144-25
7C145-25 Unit
Min Max Min Max
VOH Output HIGH Voltage VCC = Min., IOH = −4.0 mA 2.4 2.4 V
VOL Output LOW Voltage VCC = Min., IOL = 4.0 mA 0.4 0.4 V
VIH Input HIGH Voltage 2.2 2.2 V
VIL Input LOW Voltage 0.8 0.8 V
IIX Input Leakage Current GND < VI < VCC −10 +10 −10 +10 μA
IOZ Output Leakage Current Outputs Disabled, GND < VO < VCC −10 +10 −10 +10 μA
ICC Operating Current VCC = Max., IOUT = 0 mA
Outputs Disabled
Commercial 220 180 mA
Industrial 190
ISB1 Standby Current
(Both Ports TTL Levels)
CEL and CER > VIH,
f = fMAX[7] Commercial 60 40 mA
Industrial 50
ISB2 Standby Current
(One Port TTL Level)
CEL or CER > VIH,
f = fMAX[7] Commercial 130 110 mA
Industrial 120
ISB3 Standby Current
(Both Ports CMOS Levels)
Both Ports
CE and CER > VCC – 0.2V,
VIN > VCC – 0.2V
or VIN < 0.2V, f = 0[7]
Commercial 15 15 mA
Industrial 30
ISB4 Standby Current
(One Port CMOS Level)
One Port
CEL or CER > VCC – 0.2V,
VIN > VCC – 0.2V or
VIN < 0.2V, Active
Port Outputs, f = fMAX[7]
Commercial 125 100 mA
Industrial 115
Notes
5. The Voltage on any input or I/O pin cannot exceed the power pin during power-up.
6. Pulse width < 20 ns.
7. fMAX = 1/tRC = All inputs cycling at f = 1/tRC (except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby
ISB3.
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