CY7C148 Cypress Semiconductor, CY7C148 Datasheet - Page 2

• Manufacturer Part Number: CY7C148
• Description: (CY7C148 / CY7C149) 1K x 4 Static RAM
• Manufacturer: Cypress Semiconductor

Storage Temperature
Ambient Temperature with
Power Applied
Supply Voltage to Ground Potential
(Pin 18 to Pin 9)
DC Voltage Applied to Outputs
in High Z State
DC Input Voltage
Output Current into Outputs (LOW) ............................. 20 mA
Static Discharge Voltage............................................>2001V
(per MIL-STD-883, Method 3015)
Electrical Characteristics
Capacitance
V
V
V
V
I
I
I
I
I
I
C
C
Notes:
Parameter
IX
OZ
CC
SB
PO
OS
2.
3.
4.
5.
OH
OL
IH
IL
IN
OUT
See the last page of this specification for Group A subgroup testing information.
A pull-up resistor to V
only).
For test purposes, not more than 1 output should be shorted at one time. Duration of the short circuit should not exceed 30 seconds.
Tested initially and after any design or process changes that may affect these parameters.
Parameter
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Leakage Current
V
Supply Current
Automatic CS
Power-Down Current
Peak Power-On
Current
Output Short
Circuit Current
CC
[5]
Operating
Description
CC
[3]
on the CS input is required to keep the device deselected during V
Input Capacitance
Output Capacitance
[4]
Over the Operating Range
Description
V
V
GND < V
GND < V
Max. V
Output Open
Max. V
Max. V
GND < V
CC
CC
65 C to+150 C
55 C to+125 C
= Min., I
= Min., I
3.0V to +7.0V
0.5V to+7.0V
0.5V to+7.0V
CC
CC
CC
I
O
O
, CS < V
, CS > V
, CS > V
< V
< V
< V
OH
OL
Test Conditions
CC
CC
CC
= 8.0 mA
= 4.0 mA
T
V
Output Disabled
IL
IH
IH
A
CC
[2]
,
= 25 C, f = 1 MHz,
2
= 5.0V
7C148
Only
7C148
Only
Test Conditions
Latch-Up Current ..................................................... >200 mA
Operating Range
Note:
1.
Commercial
Military
T
Range
A
is the “instant on” case temperature.
CC
Com’l
Mil
Com’l
Mil
Com’l
Mil
Com’l
Mil
power-up. Otherwise current will exceed values given (CY7C148
[1]
Min.
2.4
2.0
7C148 25
7C149 25
3.0
10
50
55 C to +125 C
Temperature
0 C to +70 C
Ambient
Max.
0.4
6.0
0.8
10
50
90
15
15
275
Max.
8
8
7C148 35, 45
7C149 35, 45
Min.
2.4
2.0
3.0
10
50
CY7C148
CY7C149
Max.
5V
5V
110
0.4
6.0
0.8
10
50
80
10
10
10
10
275
350
Unit
V
pF
pF
CC
10%
10%
Unit
mA
mA
mA
mA
V
V
V
V
A
A