CY62256LL-55SNXI Cypress Semiconductor Corp, CY62256LL-55SNXI Datasheet - Page 4
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CY62256LL-55SNXI
Manufacturer Part Number
CY62256LL-55SNXI
Description
IC SRAM 256KBIT 55NS 28SOIC
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY62256-70SNC.pdf
(13 pages)
Specifications of CY62256LL-55SNXI
Format - Memory
RAM
Memory Type
SRAM
Memory Size
256K (32K x 8)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY62256LL-55SNXI
Manufacturer:
MAXIM
Quantity:
366
Document #: 38-05248 Rev. *E
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
SCOPE
V
100 pF
CE
CC
R1 1800Ω
V
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
(a)
CC
CC
+ 0.5V.
for Data Retention
R2
990Ω
Description
OUTPUT
INCLUDING
5V
Equivalent to:
JIG AND
SCOPE
t
CDR
3.0V
5 pF
L
LL
LL - Ind’l
LL - Auto
OUTPUT
(b)
R1 1800Ω
THÉ VENIN EQUIVALENT
V
V
DATA RETENTION MODE
R2
990Ω
CC
IN
> V
= 3.0V, CE > V
CC
Conditions
V
639Ω
DR
− 0.3V, or V
> 2V
CC
GND
3.0V
[6]
IN
− 0.3V,
< 5 ns
1.77V
< 0.3V
10%
Min.
2.0
t
RC
0
ALL INPUT PULSES
90%
3.0V
t
R
Typ.
0.1
0.1
0.1
2
[2]
Max.
CY62256
50
10
10
5
90%
Page 4 of 13
10%
< 5 ns
Unit
µA
µA
µA
µA
ns
ns
V