HIGH-SPEED 1.8V
256/128K x 36
SYNCHRONOUS
PRELIMINARY
IDT70P3519/99
DUAL-PORT STATIC RAM
WITH 3.3V/2.5V/1.8V INTERFACE
Features:
◆
Counter enable and repeat features
◆
True Dual-Port memory cells which allow simultaneous
◆
◆
Interrupt and Collision Detection Flags
Separate byte controls for multiplexed bus and bus
matching compatibility
Dual Cycle Deselect (DCD) for Pipelined Output Mode
1.8V (±100mV) power supply for core
LVTTL compatible,1.8V to 3.3V power supply for I/Os and
control signals on each port
Industrial temperature range (-40°C to +85°C) is
available at 166MHz
Available in a 256-pin Ball Grid Array (BGA), a 208-pin
Plastic Quad Flatpack (PQFP) and 208-pin fine pitch Ball
GridArray(fpBGA)
Supports JTAG features compliant with IEEE 1149.1
Due to limited pin count JTAG is not supported on the 208-
pin PQFP package
access of the same memory location
Low Power
High-speed data access
◆
◆
◆
◆
◆
– Commercial: 3.4 (200MHz)/3.6ns (166MHz)
– Industrial: 3.6ns (166MHz)
Selectable Pipelined or Flow-Through output mode
◆
◆
Dual chip enables allow for depth expansion without
◆
◆
additional logic
◆
Full synchronous operation on both ports
– 5ns cycle time, 200MHzoperation(14Gbps bandwidth)
– Fast 3.4ns clock to data out
– 1.5ns setup to clock and 0.5ns hold on all control, data, and
address inputs @ 200MHz
– Data input, address, byte enable and control registers
– Self-timedwriteallowsfastcycletime
◆
◆
◆
Green parts available, see ordering information
FunctionalBlockDiagram
BE3R
BE3L
BE2L
BE1L
BE0L
BE2R
BE1R
BE0R
FT/PIPE
L
0a 1a
a
0b 1b
b
0c 1c
c
0d 1d
d
1d 0d
d
1c 0c
c
1b 0b
b
1a 0a
a
FT/PIPE
R
1/0
1/0
R/WL
R/W
R
CE0L
CE0R
1
1
CE1R
CE1L
0
0
B
B B B
B
B
B
B
1/0
1/0
W W W W W W W W
0
L
1
L
2
L
3
L
3
R
2
R
1
R
0
R
OE
R
OE
L
Dout0-8_L
Dout0-8_R
Dout9-17_L
Dout18-26_L
Dout27-35_L
Dout9-17_R
Dout18-26_R
Dout27-35_R
,
1d 0d 1c 0c
1b 0b 1a 0a
0a 1a 0b 1b
0c 1c 0d 1d
d c b a
0/1
0/1
FT/PIPE
L
FT/PIPER
a bc d
256/128K x 36
MEMORY
ARRAY
I/O0L - I/O35 L
I/O0R - I/O35R
Din_L
Din_R
,
CLK
R
CLK
L
(1)
17R
(1)
0L
A
A
17L
A
Counter/
Address
Reg.
Counter/
Address
Reg.
A
0R
REPEAT
ADS
CNTEN
ADDR_R
ADDR_L
REPEAT
L
R
R
ADS
L
R
CNTEN
L
TDI
TCK
T MS
T RST
INTERRUPT
CE0
CE1
CE
0
R
L
JTAG
COLLISION
DETECTION
LOGIC
R
CE1
TDO
L
R/
W
L
R/W
R
COL L
INTL
COLR
INTR
(2)
(2)
ZZR
ZZ
ZZL
CONTROL
LOGIC
7144 drw 01
NOTES:
1. Address A17 is a NC for the IDT70P3599.
+. The sleep mode pin shuts off all dynamic inputs, except JTAG inputs, when asserted. All static inputs, i.e., PL/FTx and the
JULY 2008
sleep mode pins themselves (ZZx) are not affected during sleep mode.
1
DSC 7144/1
©2008IntegratedDeviceTechnology,Inc.