cy62256vn Cypress Semiconductor Corporation., cy62256vn Datasheet - Page 4

• Manufacturer Part Number: cy62256vn
• Description: 256k 32k X 8 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-06512 Rev. *A
Capacitance
Thermal Resistance
AC Test Loads and Waveforms
Data Retention Characteristics
Data Retention Waveform
Note:
V
I
t
t
5. Tested initially and after any design or process changes that may affect these parameters.
6. No input may exceed V
C
C
CCDR
CDR
R
Parameter
DR
Parameter
[5]
IN
OUT
Θ
Θ
[6]
V
CE
CC
JC
JA
Parameter
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
Parameter
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
[5]
OUTPUT
CC
RTH
VTH
R1
R2
Description
V
INCLUDING
for Data Retention
CC
CC
Description
JIG AND
+ 0.3V.
SCOPE
50 pF
[5]
Input Capacitance
Output Capacitance
R1
Description
t
Still Air, soldered on a 3 × 4.5 inch,
two-layer printed circuit board
CDR
1.8V
(Over the Operating Range)
Equivalent to:
R2
V
CE > V
V
or V
CC
IN
> V
IN
= 1.4V,
< 0.3V
CC
CC
Test Conditions
OUTPUT
– 0.3V,
– 0.3V
DATA RETENTION MODE
Conditions
T
V
A
CC
THÉ VENIN EQUIVALENT
= 25°C, f = 1 MHz,
Value
1.750
1500
1100
= 3.0V
645
V
GND
V
DR
CC
Test Conditions
< 5 ns
> 1.4V
[6]
R
Com’l
Ind’l/Auto-A
Auto-E
th
10%
ALL INPUT PULSES
90%
V
th
68.45
26.94
SOIC
Min.
1.4
t
RC
0
1.8V
t
R
TSOPI
87.62
23.73
Max.
Typ.
0.1
6
8
90%
10%
[2]
< 5 ns
Ohms
Ohms
Ohms
Units
CY62256VN
Volts
RTSOPI
87.62
23.73
Max.
50
3
6
Page 4 of 12
Unit
pF
pF
°C/W
°C/W
Unit
Unit
µA
ns
ns
V
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