CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
1.8V 4K/8K/16K x 16 and 8K/16K x 8
MoBL
廬
Dual-Port Static RAM
Features
鈥?True dual-ported memory cells which allow simulta-
neous access of the same memory location
鈥?4/8/16K 脳 16 and 8/16K x 8 organization
鈥?High-speed access: 35 ns
鈥?Ultra Low operating power
鈥?Active: I
CC
= 15 mA (typical) at 55 ns
鈥?Active: I
CC
= 25 mA (typical) at 35 ns
鈥?Standby: I
SB3
= 2
碌A(chǔ)
(typical)
鈥?Small footprint: Available in a 6x6 mm 100-pin
Lead(Pb)-free fBGA
鈥?Supports 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 1.8V
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-35
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
35
25
2
2
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-55
55
15
2
2
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Selection Guide for 2.5V
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-35
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
35
39
6
4
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-55
55
28
6
4
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Selection Guide for 3.0V
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-35
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
SB1
Typical Standby Current for I
SB3
35
49
7
6
CYDM256A16, CYDM128A16,
CYDM064A16, CYDM128A08,
CYDM064A08
-55
55
42
7
6
Unit
ns
mA
碌A(chǔ)
碌A(chǔ)
Cypress Semiconductor Corporation
Document #: 38-06081 Rev. *F
鈥?/div>
198 Champion Court
鈥?/div>
San Jose
,
CA 95134-1709
鈥?/div>
408-943-2600
Revised October 31, 2005
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