cy62256ll-55ze Cypress Semiconductor Corporation., cy62256ll-55ze Datasheet - Page 3

• Manufacturer Part Number: cy62256ll-55ze
• Description: 256k 32k X 8 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-05248 Rev. *F
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
(Pin 28 to Pin 14) .............................................. –0.5V to +7V
DC Voltage Applied to Outputs
in High-Z State
Electrical Characteristics
Capacitance
Thermal Resistance
V
V
V
V
I
I
I
I
I
Θ
Θ
Notes:
Parameter
C
C
IX
OZ
CC
SB1
SB2
3. V
4. T
5. Tested initially and after any design or process changes that may affect these parameters.
OH
OL
IH
IL
Parameter
Parameter
JA
JC
IN
OUT
A
IL
is the “Instant-On” case temperature.
(min.) =
−
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Leakage Current
Output Leakage Current GND < V
V
Current
Automatic CE
Power-down Current—
TTL Inputs
Automatic CE
Power-down Current—
CMOS Inputs
2.0V for pulse durations of less than 20 ns.
CC
[3]
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
[5]
Input Capacitance
Output Capacitance
....................................–0.5V to V
Operating Supply
Description
Description
Description
[5]
Over the Operating Range
V
V
GND < V
V
I
f = f
V
V
f = f
V
CE > V
V
V
OUT
IN
CC
CC
CC
CC
CC
IN
IN
Still Air, soldered on a 4.25 x 1.125 inch,
2-layer printed circuit board
T
Max
> V
Max
< 0.3V, f = 0
> V
A
= Min., I
= Min., I
= 5.5V,
= 5.5V, CE > V
= 5.5V,
= 0 mA,
= 25°C, f = 1 MHz, V
IH
CC
CC
= 1/t
I
O
or V
Test Conditions
< V
− 0.3V
< V
− 0.3V, or
RC
CC
IN
OH
OL
CC
CC
Test Conditions
Test Conditions
< V
+ 0.5V
= 2.1 mA
, Output Disabled
= −1.0 mA
IL
IH
,
,
CC
L
LL
L
LL
L
LL - Com’l
LL - Ind’l
LL - Auto
DC Input Voltage
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage.......................................... > 2001V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................... > 200 mA
Operating Range
= V
Commercial
Industrial
Automotive
CC(typ.)
Range
Min. Typ.
–0.5
–0.5
–0.5
2.4
2.2
CY62256−55
Ambient Temperature (T
75.61
43.12
[3]
DIP
0.4
0.3
0.1
0.1
0.1
25
25
2
................................ –0.5V to V
[2]
–40
–40
0
Max.
+0.5V
Max.
+0.5
+0.5
76.56
36.07
°
V
SOIC
0.4
0.8
0.6
0.5
°
50
50
50
10
15
C to +70
6
8
°
CC
5
C to +125
C to +85
Min. Typ.
–0.5
–0.5
–0.5
2.4
2.2
TSOP RTSOP
93.89
24.64
°
C
°
CY62256−70
°
C
C
0.4
0.3
0.1
0.1
25
25
2
A
)
93.89
24.64
[2]
[4]
CY62256
Page 3 of 14
+0.5V
Unit
Max.
+0.5
+0.5
V
pF
pF
0.4
0.8
0.6
0.5
5V ± 10%
5V ± 10%
5V ± 10%
50
50
50
10
5
CC
CC
V
+ 0.5V
°C/W
°C/W
CC
Unit
Unit
mA
mA
µA
µA
µA
V
V
V
V
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