cy62256ll-55ze Cypress Semiconductor Corporation., cy62256ll-55ze Datasheet - Page 4

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

Document #: 38-05248 Rev. *F
AC Test Loads and Waveforms
Data Retention Characteristics
Data Retention Waveform
Note:
OUTPUT
6. No input may exceed V
V
I
t
t
CCDR
CDR
R
DR
[5]
Parameter
INCLUDING
[5]
5V
JIG AND
V
SCOPE
CE
100 pF
CC
R1 1800Ω
V
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
CC
(a)
CC
+ 0.5V.
for Data Retention
R2
990Ω
Description
Equivalent to:
OUTPUT
V
CC(min)
t
CDR
INCLUDING
5V
L
LL - Com’l
LL - Ind’l
LL - Auto
JIG AND
SCOPE
OUTPUT
5 pF
THE VENIN EQUIVALENT
(b)
R1 1800Ω
V
V
DATA RETENTION MODE
CC
IN
> V
= 2.0V, CE > V
639Ω
R2
990Ω
CC
Conditions
V
DR
− 0.3V, or V
>
2V
GND
3.0V
CC
1.77V
[6]
IN
− 0.3V,
< 5 ns
< 0.3V
10%
Min.
2.0
t
RC
0
ALL INPUT PULSES
90%
V
CC(min)
t
R
Typ.
0.1
0.1
0.1
2
[2]
Max.
CY62256
50
10
10
5
90%
Page 4 of 14
10%
< 5 ns
Unit
µA
µA
µA
µA
ns
ns
V
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