• Ultra low active power
—Typical active current: 1.5 mA @ f = 1 MHz
—Typical active current: 5.5 mA @ f = f
speed)
• Low standby power
• Easy memory expansion with CE
features
, CE2, and OE
1
• Automatic power-down when deselected
• CMOS for optimum speed/power
• Packages offered in a 36-ball FBGA
Functional Description
[1]
The CY62138CV25/30/33 and CY62138CV are high-performance CMOS stati c RAMs org anize d as 256K word s by eig ht
max
(70-ns
CY62138CV25/30/33 MoBL
CY62138CV MoBL
®
®
2M (256K x 8) Static RAM
bits. This device features advanced circuit design to provide
ultra-low active current. This is ideal for provi ding More Batter y
(MoBL®) in portable applications. The device also has
Life™
an automatic power-down feature that significantly reduces
power consumption by 80% when addr esses are not toggling.
The device can be put into standby mode reducing power
consumption by more than 99% when deselected (CE
LOW).
or CE
2
Writing to the device is accomplished by taking Chip Enable 1
) and Write Enable (WE) inputs LOW and Chip Enable 2
(CE
1
(CE2) HIGH. Data on the eight I/O pins (I/O0 through I/O7) is
then written into the loc ation spe cified on the address pin s (A
through A17).
Reading from the device is accomplished by taking Chip
Enable 1 (CE
Write Enable (WE) and Chip Enable 2 (CE2) HIGH. Under
) and Output Enable (O E) LOW while forcing
1
these conditions, the contents of the memory location
specified by the address pins will appear on the I/O pins.
The eight input/output pins (I/O
high-impedance state when the device is deselected (CE
through I/O7) are placed in a
0
HIGH or CE2 LOW), the outputs are disabled (OE HIGH), or
during a write operation (CE
See the truth table at the b ack of this data shee t for a complete
LOW, CE2 HIGH and WE LOW).
1
description of read and write modes.
HIGH
1
0
1
Logic Block Diagram
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
0
1
2
3
4
5
6
7
ROW DECODER
Data in Drivers
256K x 8
ARRAY
COLUMN
DECODER
15
13
12
14
A
A
A
A
SENSE AMPS
POWER
DOWN
16
17
A
A
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
CE
1
CE
2
Note:
1. For best practice recommendations, please refer to the Cypress applic a tion note “System Design Guidelines” on http://www.cypress.com.
WE
OE
Cypress Semiconductor Corporation•3901 North First Street•San Jose•CA 95134•408-943-2600
Document #: 38-05200 Rev. *D Revised September 20, 2002
CY62138CV25/30/33 MoBL
CY62138CV MoBL
®
®
Pin
Configuration
[2, 3]
A
I/O
I/O
V
V
I/O
I/O
A
FBGA (Top View)
1
2
A
1
0
A
4
2
5
SS
CC
6
OE
7
A
10
9
3
CE
WEA
DNU
NC
CE
A
11
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .................................–65°C to +150°C
Ambient Temperature with
Power Applied ..............................................55°C to +125°C
Supply Voltage to Ground Potential ... –0.5V V
DC Voltage Applied to Outputs
in High-Z State
DC Input Voltage
[4]
.....................................0.5V to VCC + 0.3V
[4]
.................................–0.5V to VCC + 0.3V
Output Current into Outputs (LOW) ............................ 20 mA
CCMAX
+ 0.5V
4
5
6
A
A
3
2
A
4
A
5
A
17
A
1
16
A
12
A
6
I/O
7
I/O
V
CC
V
SS
I/O
I/O
A
15
A
A
13
A
8
B
0
C
1
D
E
F
2
G
3
H
14
Stat ic Disc ha rge Voltage................................. ...... ....> 2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ...................................................> 200 mA
Operating Range
ProductRange
CY62138CV25Industrial –40°C to +85°C 2.2V to 2.7V
CY62138CV302.7V to 3.3V
CY62138CV333.0V to 3.6V
CY62138CV2.7V to 3.6V
Ambient
Te mpe r ature T
A
V
CC
Product Portfolio
Power Dissipation
Operating, ICC (mA)Standby, I
Product
VCC Range (V)
[5]
Speed
Max.Typ.
(ns)
f = 1 MHzf = f
[5]
Max.Typ.
[5]
max
Max.
Typ.
[5]
CY62138CV25LL2.22.52.7551.53715210
701.535.512
CY62138CV30LL2.73.03.3551.53715210
701.535.512
CY62138CV33LL3.03.33.6551.53715515
701.535.512
CY62138CVLL2.73.33.6701.535.512515
Notes:
2. NC pins are not connected to the die.
3. C3 (DNU) can be left as NC or V
4. V
5. Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at V
= –2.0V for pulse durations less than 20 ns.
IL(min.)
to ensure proper application.
SS
= V
CC
CC(typ.)
, TA = 25°C.
Document #: 38-05200 Rev. *DPage 2 of 12
SB2
Max.Min.Typ.
(µA)
Electrical Characteristics Ov er the Op erat ing Range
ParameterDescriptionTest Conditions
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
I
SB1
I
SB2
ParameterDescriptionTest Conditions
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
I
SB1
I
SB2
Output HIGH VoltageIOH = –0.1 mAVCC = 2.2V2.02.0V
Output LOW VoltageIOL = 0.1 mAVCC = 2.2V0.40.4V
Input HIGH Voltage1.8V
Input LOW Voltage–0.30.6–0.30.6V
Input Leakage Current GND < VI < V
Output Leakage
GND < VO < VCC, Output Disabled–1+1–1+1µA
CC
Current
VCC Operating Supply
Current
Automatic CE
Power-down Current
— CMOS Inputs
Automatic CE
Power-down Current
— CMOS Inputs
f = f
f = 1 MHz 1.531.53
MAX
= 1/t
RC
VCC = 2.7V
I
OUT
CMOS Levels
CE1 > VCC – 0.2V or CE2 < 0.2V
V
> VCC – 0.2V or VIN < 0.2V, f =
IN
f
(Address and Data Only), f = 0
max
(OE
, WE)
CE1 > VCC – 0.2V or CE2 < 0.2V
> VCC − 0.2V or VIN < 0.2V , f = 0, V
V
IN
= 2.7V
Output HIGH VoltageIOH = –1.0 mAVCC = 2.7V2.42.4V
Output LOW VoltageIOL = 2.1 mAVCC = 2.7V0.40.4V
Input HIGH Voltage2.2V
Input LOW Voltage–0.30.8–0.30.8V
Input Leakage Current GND < VI < V
Output Leakage
GND < VO < VCC, Output Disabled–1+1–1+1µA
CC
Current
VCC Operating Supply
Current
Automatic CE
Power-down Current
— CMOS Inputs
Automatic CE
Power-down Current
— CMOS Inputs
f = f
f = 1 MHz 1.531.53
MAX
= 1/t
RC
VCC = 3.3V
I
OUT
CMOS Levels
CE1 > VCC – 0.2V or CE2 < 0.2V
V
> VCC – 0.2V or VIN < 0.2V, f =
IN
f
(Address and Data Only), f = 0
max
(OE
, WE)
CE1 > VCC – 0.2V or CE2 < 0.2V, VIN
VCC − 0.2V or VIN < 0.2V , f = 0,
>
VCC=3.3V
= 0 mA
= 0 mA
CY62138CV25/30/33 MoBL
CY62138CV MoBL
CY62138CV25-55CY62138CV25-70
[5]
Max. Min. Typ.
+
1.8V
CC
0.3V
–1+1–1+1µA
7155.512mA
210210µA
CC
CY62138CV30-55CY62138CV30-70
[5]
Max. Min. Typ.
+
2.2V
CC
0.3V
–1+1–1+1µA
7155.512mA
210210µA
[5]
[5]
Max.
CC
0.3V
Max.
CC
0.3V
®
®
UnitMin. Typ.
+
V
UnitMin. Typ.
+
V
Document #: 38-05200 Rev. *DPage 3 of 12
CY62138CV25/30/33 MoBL
CY62138CV MoBL
Electrical Characteristics Ov er the Op erat ing Range
CY62138CV33-55
ParameterDescriptionTest Conditions
V
OH
Output HIGH VoltageIOH = –1.0 mAVCC = 3.0V2.42.4V
[5]
Max. Min. Typ.
VCC = 2.7V2.4V
V
OL
Output LOW VoltageIOL = 2.1 mAVCC = 3.0V0.40.4V
VCC = 2.7V0.4V
V
IH
V
IL
I
IX
I
OZ
I
CC
I
SB1
I
SB2
Capacitance
Input HIGH Voltage2.2V
0.3V
Input LOW Voltage–0.30.8–0.30.8V
Input Leakage Current GND < VI < V
Output Leakage
GND < VO < VCC, Output Disabled–1+1–1+1µA
CC
–1+1–1+1µA
Current
VCC Operating Supply
Current
Automatic CE
Power-down Current—
CMOS Inputs
Automatic CE
Power-down Current—
CMOS Inputs
[6]
f = f
f = 1 MHz 1.531.53
CE1 > VCC – 0.2V or CE2 < 0.2V
V
f = f
f = 0 (OE
= 1/t
MAX
> VCC – 0.2V or VIN < 0.2V,
IN
max
RC
(Address and Data Only),
VCC = 3.6V
= 0 mA
I
OUT
CMOS Levels
,WE)
7155.512mA
515515µA
CE1 > VCC – 0.2V or CE2 < 0.2V
VIN > VCC − 0.2V or VIN < 0.2V,
CC
= 3.6V
f = 0, V
ParameterDescriptionT est ConditionsMax.Unit
C
IN
C
OUT
Thermal Resistance
Input CapacitanceTA = 25°C, f = 1 MHz, VCC = V
CC(typ.)
Output Capaci tance8pF
ParameterDescriptionT est Condit ionsBGAUnit
Θ
JA
Θ
JC
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
[6]
Still A ir, soldered on a 3 x 4.5 inch, two-l aye r pri nte d
circuit board
[6]
CY62138CV33-70
CY62138CV-70
+
2.2V
CC
6pF
[5]
Max.
CC
0.3V
55°C/W
16°C/W
®
®
UnitMin. Typ.
+
V
AC Test Loads and Waveforms
30 pF
SCOPE
R1
VCC Typ
R2
Equivalent to:THÉ VENIN EQUIVALENT
OUTPUTV
GND
Rise Time: 1 V/ns
10%
R
TH
ALL INPUT PULSES
90%
TH
90%
10%
Fall time: 1 V/ns
V
CC
OUTPUT
INCLUDING
JIG AND
Note:
6. Tested initially and after any design or process changes that may affect these parameters.
Document #: 38-05200 Rev. *DPage 4 of 12
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