CY27C128
2
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines,
not tested.)
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
-3.0V to +7.0V
. . . . . . . . . . . . . . . . . . . . . . .
DC Program Voltage
13.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Static Discharge Voltage
>2001V
. . . . . . . . . . . . . . . . . . . . . . . .
(per MIL STD 883, Method 3015)
LatchUp Current
>200 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . .
UV Exposure
7258 Wsec/cm2
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Range
Range
Ambient
Temperature
VCC
Commercial
0
_C to +70_C
5V ±10%
Industrial[3]
-40
_C to +85_C
5V ±10%
Military[4]
-55
_C to +125_C
5V ±10%
Electrical Characteristics Over the Operating Range[5]
27C128-45, 55, 70, 90,
120, 150, 200
Parameter
Description
Test Conditions
Min.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min., IOH = -4.0 mA
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 16.0 mA[6]
0.4
V
VIH
Input HIGH Level
Guaranteed Input Logical HIGH Voltage for
All Inputs
2.0
VCC
V
VIL
Input LOW Level
Guaranteed Input Logical LOW Voltage for
All Inputs
-0.3
0.8
V
IIX
Input Current
GND < VIN < VCC
-10
+10
mA
IOZ
Output Leakage Current
GND < VOUT < VCC,
Output Disabled
Commercial
-10
+10
mA
Output Disabled
Military
-40
+40
IOS
Output Short Circuit Current[7]
VCC = Max., VOUT = GND
-20
-90
mA
ICC
Power Supply Current [2]
VCC = Max., VIN =VIH,
IOUT = 0 mA, CE=VIL,
Commercial
45
mA
IOUT = 0 mA, CE=VIL,
OE = VIH
Military
55
ISB
Standby Supply Current
VCC = Max., CE = VIH
Commercial
15
mA
Military
20
VPP
Programming Supply Voltage
12
13
V
IPP
Programming Supply Current
50
mA
VIHP
Input HIGH Programming
Voltage
3.0
V
VILP
Input LOW Programming
Voltage
0.4
V
Capacitance[8]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25_C, f = 1 MHz,
VCC =5 0V
10
pF
COUT
Output Capacitance
A
VCC = 5.0V
10
pF
Notes:
3. Contact a Cypress representative for information on industrial tem
perature range specifications.
4. TA is the instant on" case temperature.
5. See the last page of this specification for Group A subgroup testing in
formation.
6IOL=12.0 mA for military devices.
7. For test purposes, not more than one output at a time should be
shorted. Short circuit test duration should not exceed 30 seconds.
8. See Introduction to CMOS PROMs in this Data Book for general in
formation on testing.
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