CY7C4255V/CY7C4265V
CY7C4275V/CY7C4285V
Document #: 38-06012 Rev. *A
Page 4 of 20
Maximum Ratings[1]
(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 VCC+0.5V
DC Voltage Applied to Outputs
in High Z State .........................................–0.5V to VCC+0.5V
DC Input Voltage
..........................................−0.5V to V
CC+0.5V
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage............................................ >2001V
(per MIL–STD–883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Notes:
1.
The Voltage on any input or I/O pin cannot exceed the power pin during power-up.
2.
TA is the “instant on” case temperature.
3.
VCC range for commercial -10 ns is 3.3V ±150mV.
4.
See the last page of this specification for Group A subgroup testing information.
5.
The VIH and VIL specifications apply for all inputs except WXI, RXI. The WXI, RXI pin is not a TTL input. It is connected to either RXO, WXO of the
previous device or VSS.
6.
Input signals switch from 0V to 3V with a rise/fall time of less than 3 ns, clocks and clock enables switch at 20 MHz, while data inputs switch at 10 MHz. Outputs
are unloaded.
7.
All inputs = VCC – 0.2V, except RCLK and WCLK (which are at frequency = 0 MHz), and FL/RT which is at VSS. All outputs are unloaded.
8.
Tested initially and after any design changes that may affect these parameters.
Operating Range
Range
Ambient
Temperature
VCC
[3]
Commercial
0°C to +70°C
3.3V ±300 mV
Industrial[2]
–40°C to +85°C
3.3V ±300 mV
Electrical Characteristics Over the Operating Range[4]
7C4255/65/75/
85V-10
7C4255/65/75/
85V-15
7C4255/65/75/
85V-25
Parameter
Description
Test Conditions
Min.
Max.
Min.
Max.
Min.
Max.
Unit
VOH
Output HIGH
Voltage
VCC = Min., IOH = –1.0 mA
VCC = 3.0V. IOH = –2.0
mA
2.4
2.4
2.4
V
VOL
Output LOW
Voltage
VCC = Min.,IOL = 4.0 mA
VCC = 3.0V.,IOL = 8.0 mA
0.4
0.4
0.4
V
VIH
[5]
Input HIGH
Voltage
2.0
VCC
2.0
VCC
2.0
VCC
V
VIL
[5]
Input LOW
Voltage
–0.5
0.8
–0.5
0.8
–0.5
0.8
V
IIX
Input Leakage
Current
VCC = Max.
–10
+10
–10
+10
–10
+10
µA
IOZL
IOZH
Output OFF,
High Z Current
OE > VIH,
VSS < VO < VCC
–10
+10
–10
+10
–10
+10
µA
ICC1
[6]
Active Power
Supply Current
Com’l
30
30
30
mA
Ind
35
mA
ISB
[7]
Average Standby
Current
Com’l
4
4
4
mA
Ind
4
mA
Capacitance[8]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VCC = 3.3V
5
pF
COUT
Output Capacitance
7
pF
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