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CY7C1049B
Document #: 38-05169 Rev. *B
Page 2 of 9
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 on VCC to Relative GND
[2] .... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State[2] ....................................–0.5V to VCC + 0.5V
DC Input Voltage[2].................................–0.5V to VCC + 0.5V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage............................................ >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Selection Guide
-12
-15
-17
Maximum Access Time (ns)
12
15
17
Maximum Operating Current (mA)
240
220
195
Maximum CMOS Standby
Current (mA)
Commercial
8
8
8
Industrial
-
-
-
Commercial
L-
-
0.5
Operating Range
Range
Ambient
Temperature
VCC
Commercial
0
°C to +70°C
4.5V–5.5V
Industrial
–40
°C to +85°C
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
-12
-15
-17
Min.
Max.
Min.
Max.
Min.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min., IOH = –4.0 mA
2.4
2.4
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 8.0 mA
0.4
0.4
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
+ 0.3
2.2
VCC
+ 0.3
2.2
VCC
+ 0.3
V
VIL
Input LOW Voltage[2]
–0.3
0.8
–0.3
0.8
–0.3
0.3
V
IIX
Input Leakage Current GND < VI < VCC
–1
+1
–1
+1
–1
+1
µA
IOZ
Output Leakage
Current
GND < VOUT < VCC,
Output Disabled
–1
+1
–1
+1
–1
+1
µA
ICC
VCC Operating
Supply Current
VCC = Max.,
f = fMAX = 1/tRC
240
220
195
mA
ISB1
Automatic CE
Power-Down Current
—TTL Inputs
Max. VCC, CE > VIH
VIN > VIH or
VIN < VIL, f = fMAX
40
40
40
mA
ISB2
Automatic CE
Power-Down Current
—CMOS Inputs
Max. VCC,
CE > VCC – 0.3V,
VIN > VCC – 0.3V,
or VIN < 0.3V, f = 0
Com’l
8
8
8
mA
Com’l
L
-
-
0.5
mA
Ind’l
-
-
8
mA
Note:
2. Minimum voltage is–2.0V for pulse durations of less than 20 ns.
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