CY7C271-45WMB Cypress Semiconductor Corp, CY7C271-45WMB Datasheet - Page 2

• Manufacturer Part Number: CY7C271-45WMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C271-45WMB

• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• In System Programmable: In System/External
• Access Time (max): 45ns
• Package Type: Windowed CDIP
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 130mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-04008 Rev. *C
Selection Guide
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, 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
Electrical Characteristics
Notes
Maximum Access Time
Maximum Operating
Current
Standby Current
V
V
V
V
I
I
I
I
I
V
I
1. The voltage on any input or I/O pin cannot exceed the power pin during power-up.
2. T
3. See the last page of this specification for Group A subgroup testing information.
4. 6.0 mA military
5. For test purposes, not more than one output at a time should be shorted. Short circuit test duration should not exceed 30 seconds.
IX
OZ
OS
CC
SB
PP
Parameter
OH
OL
IH
IL
PP
A
is the “instant on” case temperature.
Output HIGH Voltage
Output LOW Voltage
Input HIGH Level
Input LOW Level
Input Current
Output Leakage Current
Output Short Circuit Current
Power Supply Current
Standby Supply Current
Programming Supply Voltage
Programming Supply Current
[1]
Com’l
Military
Com’l
Military
Description
Over the Operating Range
7C274-30
[5]
120
30
30
V
V
Guaranteed Input Logical HIGH Voltage for All
Inputs
Guaranteed Input Logical LOW Voltage for All
Inputs
GND < V
GND < V
V
V
I
V
I
OUT
OUT
CC
CC
CC
CC
CC
= Min., I
= Min., I
= Max., V
= Max., V
= Max., CE = V
= 0 mA, CE=V
= 0 mA
IN
OUT
7C271-35
7C274-35
< V
[3]
OH
OL
< V
120
130
Test Conditions
OUT
IN
35
30
40
CC
= 8.0 mA
= −2.0 mA
= 2.0V,
CC
Static Discharge Voltage............................................ >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ..................................................... >200 mA
UV Exposure ................................................ 7258 Wsec/cm
Operating Range
Commercial
Military
= GND
IL
, Output Disabled
IH
,
Range
[4]
[2]
7C271-45
7C274-45
Commercial
Military
Commercial
Military
120
130
45
30
40
−55
Temperature
0
°
°
Ambient
C to +70
C to +125
7C271-55
7C271- 35, 45, 55
7C274-30, 35, 45,
Min.
120
130
−10
−40
−20
2.4
2.0
55
30
40
12
°
C
°
C
Max.
V
CY7C271
CY7C274
+10
+40
−90
120
130
0.4
0.8
30
40
13
50
CC
Page 2 of 13
5V ±10%
5V ±10%
Unit
mA
mA
mA
mA
V
ns
CC
Unit
mA
mA
mA
mA
µA
µA
V
V
V
V
V
2
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