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CYDM256B16 Datasheet

  • CYDM256B16

  • 1.8V 4K/8K/16K x 16 MoBL㈢ Dual-Port Static RAM

  • 25頁(yè)

  • CYPRESS

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CYDM256B16
CYDM128B16
CYDM064B16
1.8V 4K/8K/16K x 16
MoBL
廬
Dual-Port Static RAM
Features
鈥?True dual-ported memory cells that allow simultaneous
access of the same memory location
鈥?4/8/16K 脳 16 organization
鈥?High-speed access: 40 ns
鈥?Ultra Low operating power
鈥?Active: I
CC
= 15 mA (typical) at 55 ns
鈥?Active: I
CC
= 25 mA (typical) at 40 ns
鈥?Standby: I
SB3
= 2
碌A(chǔ)
(typical)
鈥?Small footprint: Available in a 6x6 mm 100-pin
Lead(Pb)-free vfBGA
鈥?Port-independent 1.8V, 2.5V, and 3.0V I/Os
鈥?Full asynchronous operation
鈥?Automatic power-down
鈥?Pin select for Master or Slave
鈥?Expandable data bus to 32 bits with Master/Slave chip
select when using more than one device
鈥?On-chip arbitration logic
鈥?Semaphores included to permit software handshaking
between ports
鈥?Input Read Registers and Output Drive Registers
鈥?INT flag for port-to-port communication
鈥?Separate upper-byte and lower-byte control
鈥?Industrial temperature ranges
Selection Guide for V
CC
= 1.8V
CYDM256B16, CYDM128B16,
CYDM064B16
-40
Port I/O Voltages (P1-P2)
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
1.8V-1.8V
40
25
2
2
CYDM256B16, CYDM128B16,
CYDM064B16
-55
1.8V-1.8V
55
15
2
2
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Selection Guide for V
CC
= 2.5V
CYDM256B16, CYDM128B16,
CYDM064B16
-40
Port I/O Voltages (P1-P2)
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
2.5V-2.5V
40
39
6
4
CYDM256B16, CYDM128B16,
CYDM064B16
-55
2.5V-2.5V
55
28
6
4
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Selection Guide for V
CC
= 3.0V
CYDM256B16, CYDM128B16,
CYDM064B16
-40
Port I/O Voltages (P1-P2)
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
3.0V-3.0V
40
49
7
6
CYDM256B16, CYDM128B16,
CYDM064B16
-55
3.0V-3.0V
55
42
7
6
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Cypress Semiconductor Corporation
Document #: 001-00217 Rev. *E
鈥?/div>
198 Champion Court
鈥?/div>
San Jose
,
CA 95134-1709
鈥?/div>
408-943-2600
Revised January 25, 2007
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