cym1946 Cypress Semiconductor Corporation., cym1946 Datasheet - Page 2

• Manufacturer Part Number: cym1946
• Description: 512k Static Module
• Manufacturer: Cypress Semiconductor Corporation.

Selection Guide
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................. –55 C to +125 C
Ambient Temperature with
Power Applied ............................................... –10 C to +85 C
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
Electrical Characteristics
Capacitance
Maximum Access Time (ns)
Maximum Operating Current (mA)
Maximum Standby Current (mA)
V
V
V
V
I
I
I
I
I
C
C
C
C
Notes:
Parameter
IX
OZ
CC
SB1
SB2
1.
2.
OH
OL
IH
IL
INA
INB
OUT
INA17–18
Parameter
A pull-up resistor to V
Tested on a sample basis.
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Leakage Current
V
Current
Automatic CS Power-Down
Current
Automatic CS Power-Down
Current
CC
[2]
Operating Supply
Input Capacitance (WE, OE, A
Input Capacitance (CS)
Output Capacitance
Input Capacitance A
CC
[1]
[1]
Description
on the CS input is required to keep the device deselected during V
Description
Over the Operating Range
17–18
V
V
GND < V
GND < V
V
CS
Max. V
Min. Duty Cycle = 100%
Max. V
CS > V
V
V
CC
CC
CC
IN
IN
N
> V
< 0.2V
0–16
= Min., I
= Min., I
= Max., I
< V
CC
CC
CC
CC
IL
)
I
O
, CS > V
,
< V
< V
0.2V,
0.2V, or
OH
OL
T
V
OUT
CC
A
Test Conditions
CC
CC
= 25 C, f = 1 MHz,
= 8.0 mA
= 4.0 mA
2
, Output Disabled
= 5.0V
= 0 mA,
IH
DC Voltage Applied to Outputs
in High Z State.................................................–0.5V to +V
DC Input Voltage ............................................–0.5V to +7.0V
Operating Range
,
Test Conditions
Commercial
1946-35
Range
1100
585
35
35, 45, 55
35, 45, 55
CC
power-up, otherwise I
Temperature
0 C to +70 C
1946-45
Ambient
1100
585
45
Min.
–0.3
SB
–32
–20
2.4
2.2
will exceed values given.
Max.
175
10
45
45
V
CC
Max.
1100
+32
+20
585
200
0.4
0.8
+ 0.3
CYM1946
1946-55
5V
1100
585
55
Unit
V
pF
pF
pF
pF
Unit
CC
mA
mA
mA
10%
V
V
V
V
A
A
CC