Cypress CY62167EV18 Specification Sheet

Mobl 16 mbit (1m x 16) static ram

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Features
Very high speed: 55 ns
Wide voltage range: 1.65V to 2.25V
Ultra low standby power
Typical standby current: 1.5 μA
Maximum standby current: 12 μA
Ultra low active power
Typical active current: 2.2 mA at f = 1 MHz
Easy memory expansion with CE
Automatic power down when deselected
CMOS for optimum speed and power
Offered in Pb-free 48-ball VFBGA packages

Functional Description

The CY62167EV18 is a high performance CMOS static RAM
organized as 1M words by 16 bits. This device features
advanced circuit design to provide ultra low active current. This
is ideal for providing More Battery Life™ (MoBL
applications such as cellular telephones. The device also has an
automatic power down feature that reduces power consumption
Logic Block Diagram
Power Down
Circuit
Cypress Semiconductor Corporation
Document #: 38-05447 Rev. *G
, CE
, and OE features
1
2
®
) in portable
DATA IN DRIVERS
A
10
A
9
A
8
A
7
A
1M × 16
6
A
RAM ARRAY
5
A
4
A
3
A
2
A
1
A
0
COLUMN DECODER
CE
2
CE
1
BHE
BLE
198 Champion Court
CY62167EV18 MoBL
16 Mbit (1M x 16) Static RAM
by 99 percent when addresses are not toggling. Place the device
into standby mode when deselected (CE
both BHE and BLE are HIGH). The input and output pins (I/O
through I/O
) are placed in a high impedance state when: the
15
device is deselected (CE
HIGH or CE
1
disabled (OE HIGH); both Byte High Enable and Byte Low
Enable are disabled (BHE, BLE HIGH); and a write operation is
in progress (CE
LOW, CE
HIGH and WE LOW).
1
2
To write to the device, take Chip Enables (CE
HIGH) and Write Enable (WE) input LOW. If Byte Low Enable
(BLE) is LOW, then data from I/O pins (I/O
written into the location specified on the address pins (A
A
). If Byte High Enable (BHE) is LOW, then data from I/O pins
19
(I/O
through I/O
) is written into the location specified on the
8
15
address pins (A
through A
0
19
To read from the device, take Chip Enables (CE
HIGH) and Output Enable (OE) LOW while forcing the Write
Enable (WE) HIGH. If Byte Low Enable (BLE) is LOW, then data
from the memory location specified by the address pins appears
on I/O
to I/O
. If Byte High Enable (BHE) is LOW, then data from
0
7
memory appears on I/O
to I/O
8
9
for a complete description of read and write modes.
For best practice recommendations, refer to the Cypress
application note
AN1064, SRAM System
IO
IO
,
San Jose
CA 95134-1709
HIGH or CE
LOW or
1
2
LOW); outputs are
2
LOW and CE
1
through I/O
0
through
0
).
LOW and CE
1
. See the
Truth Table on page
15
Guidelines.
–IO
0
7
–IO
8
15
BHE
WE
CE
2
CE
1
OE
BLE
408-943-2600
Revised March 13, 2009
®
0
2
) is
7
2
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Summary of Contents for Cypress CY62167EV18

  • Page 1: Functional Description

    Offered in Pb-free 48-ball VFBGA packages ■ Functional Description The CY62167EV18 is a high performance CMOS static RAM organized as 1M words by 16 bits. This device features advanced circuit design to provide ultra low active current. This is ideal for providing More Battery Life™ (MoBL applications such as cellular telephones.
  • Page 2: Pin Configuration

    1.65V–2.25V at 55ns speed. It can also be operated in the V Document #: 38-05447 Rev. *G Speed Operating I (ns) f = 1 MHz 2.25 CY62167EV18 MoBL [1, 2, 3] Power Dissipation (mA) Standby I (μA) f = f = 25°C.
  • Page 3: Maximum Ratings

    < 0.2V, f = 0, V CC(max) Test Conditions = 25°C, f = 1 MHz, CC(typ) (min) and 200 μs wait time after V CY62167EV18 MoBL [6, 7] ... –0.2V to 2.45V (V (max) + 0.2V) Ambient Range Temperature Industrial –40°C to +85°C 1.65V to 2.25V 55 ns + 0.2V...
  • Page 4: Thermal Resistance

    Figure 3. Data Retention Waveform DATA RETENTION MODE > 1.0 V (min) (min) > 100 μs or stable at V (min) > 100 μs. to V CY62167EV18 MoBL VFBGA VFBGA (6 x 7 x 1mm) (6 x 8 x 1mm) 27.74 9.84...
  • Page 5: Switching Characteristics

    HZCE LZCE HZBE LZBE HZOE , BHE and/or BLE = V , and CE CY62167EV18 MoBL 55 ns Unit /2, input pulse levels CC(typ) application note AN13842 for further clarification. is less than t , and t...
  • Page 6: Switching Waveforms

    Figure 4. Read Cycle No. 1 [19, 20] Figure 5. Read Cycle No. 2 DATA VALID , BHE, BLE or both = V , and CE transition HIGH. ® CY62167EV18 MoBL DATA VALID HZCE HZBE HZOE HIGH IMPEDANCE Page 6 of 13...
  • Page 7 23. During this period the IOs are in output state. Do not apply input signals. Document #: 38-05447 Rev. *G [17, 21, 22] Figure 6. Write Cycle No. 1 VALID DATA , the output remains in a high impedance state. ® CY62167EV18 MoBL Page 7 of 13 [+] Feedback...
  • Page 8 NOTE 23 DATA I/O Document #: 38-05447 Rev. *G [17, 21, 22] Figure 7. Write Cycle No. 2 VALID DATA [22] Figure 8. Write Cycle No. 3 VALID DATA HZWE ® CY62167EV18 MoBL LZWE Page 8 of 13 [+] Feedback...
  • Page 9: Truth Table

    Output Disabled Data In (I/O –I/O Data In (I/O –I/O High Z (I/O –I/O High Z (I/O –I/O Data In (I/O –I/O CY62167EV18 MoBL Mode Power Standby (I Standby (I Standby (I Read Active (I Read Active (I Read Active (I...
  • Page 10: Ordering Information

    51-85150 48-ball VFBGA (6 × 8 × 1 mm) 48-ball VFBGA (6 × 8 × 1 mm) (Pb-free) 51-85150 48-ball VFBGA (6 × 8 × 1 mm) ® CY62167EV18 MoBL Operating Range Industrial 001-13297-*A Page 10 of 13 [+] Feedback...
  • Page 11 Package Diagram Figure 11. 48-Ball VFBGA (6 x 8 x 1 mm), 51-85150 TOP VIEW A1 CORNER 6.00±0.10 SEATING PLANE Document #: 38-05447 Rev. *G CY62167EV18 MoBL BOTTOM VIEW A1 CORNER Ø0.05 M C Ø0.25 M C A B Ø0.30±0.05(48X) 1.875 0.75...
  • Page 12 Document History Page Document Title: CY62167EV18 MoBL Document Number: 38-05447 Orig. of Submission REV. ECN NO. Change 202600 463674 469182 619122 1130323 1388287 1664843 VKN/AESA 2675375 VKN/PYRS Document #: 38-05447 Rev. *G ® 16 Mbit (1M x 16) Static RAM...
  • Page 13 MoBL is a registered trademark and More Battery Life is a trademark of Cypress Semiconductor. All product and company names mentioned in this document are the trademarks of their respective holders. PSoC Solutions psoc.cypress.com General clocks.cypress.com Low Power/Low Voltage Precision Analog LCD Drive image.cypress.com CAN 2.0b Revised March 13, 2009 ® CY62167EV18 MoBL psoc.cypress.com/solutions psoc.cypress.com/low-power psoc.cypress.com/precision-analog psoc.cypress.com/lcd-drive psoc.cypress.com/can psoc.cypress.com/usb Page 13 of 13 [+] Feedback...

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