CY7C144AV CYPRESS [Cypress Semiconductor], CY7C144AV Datasheet - Page 10

• Manufacturer Part Number: CY7C144AV
• Description: 3.3V 8K/16K x 8 Dual-Port Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Data Retention Mode
The CY7C144AV and CY7C006AV are designed with battery
backup in mind. Data retention voltage and supply current are
guaranteed over temperature. The following rules ensure data
retention:
Notes
Document #: 38-06051 Rev. *E
1. Chip enable (CE) must be held HIGH during data retention,
2. CE must be kept between V
3. The RAM can begin operation >t
18. CE = V
within V
the power-up and power-down transitions.
minimum operating voltage (3.0 volts).
CC
, V
CC
in
= GND to V
to V
CC
– 0.2 V.
CC
, T
A
= 25 °C. This parameter is guaranteed but not tested.
CC
– 0.2 V and 70% of V
RC
after V
CC
reaches the
CC
during
Timing
V
CE
ICC
CC
Parameter
DR1
3.0 V
Data Retention Mode
@ VCC
V
Test Conditions
CC
V
to V
CC
DR
2.0 V
CC
= 2 V
– 0.2 V
3.0 V
[18]
CY7C144AV
CY7C006AV
Max
V
50
t
IH
Page 10 of 21
RC
Unit
A
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