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IDT70P257L55BYI Datasheet

  • IDT70P257L55BYI

  • VERY LOW POWER 1.8V 8K/4K x 16 DUAL-PORT STATIC RAM

  • 23頁(yè)

  • IDT

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VERY LOW POWER 1.8V
8K/4K x 16 DUAL-PORT
STATIC RAM
Features
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PRELIMINARY
IDT70P257/247L
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True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
High-speed access
鈥?Industrial: 55ns (max.)
Low-power operation
IDT70P257/247L
Active: 27mW (typ.)
Standby: 3.6
W (typ.)
Separate upper-byte and lower-byte control for multiplexed
bus compatibility
IDT70P257/247 easily expands data bus width to 32 bits or
more using the Master/Slave select when cascading more
than one device
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M/S = V
DD
for
BUSY
output flag on Master
M/S = V
SS
for
BUSY
input on Slave
Input Read Register
Output Drive Register
BUSY
and Interrupt Flag
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
LVTTL-compatible, single 1.8V (鹵100mV) power supply
Available in 100 Ball 0.5mm-pitch BGA
Industrial temperature range (-40擄C to +85擄C)
Functional Block Diagram
R/W
L
UB
L
R/W
R
UB
R
LB
L
CE
L
OE
L
LB
R
CE
R
OE
R
I/O
8L
-I/O
15L
I/O
0L
-I/O
7L
BUSY
L
(2,3)
I/O
8R
-I/O
15R
I/O
Control
I/O
Control
I/O
0R
-I/O
7R
BUSY
R
(2,3)
,
A
12L
(1)
A
0L
Address
Decoder
MEMORY
ARRAY
Address
Decoder
A
12R
(1)
A
0R
CE
L
OE
L
R/W
L
IRR
0
,IRR
1
INPUT
READ REGISTER
AND
OUTPUT
DRIVE REGISTER
SFEN
13
13
CE
R
OE
R
R/W
R
ODR
0
-
ODR
4
CE
L
OE
L
R/W
L
SEM
L
(3)
INT
L
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE
R
OE
R
R/W
R
SEM
R
INT
R
(3)
5684 drw 01
M/S
NOTES:
1. A
12X
is a NC for IDT70P247.
2. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
3.
BUSY
outputs and
INT
outputs are non-tri-stated push-pull.
FEBRUARY 2004
1
DSC-5684/1
漏2004 Integrated Device Technology, Inc.

IDT70P257L55BYI 產(chǎn)品屬性

  • 90

  • 集成電路 (IC)

  • 存儲(chǔ)器

  • -

  • RAM

  • SRAM - 雙端口,異步

  • 128K(8K x 16)

  • 55ns

  • 并聯(lián)

  • 1.7 V ~ 1.9 V

  • -40°C ~ 85°C

  • 100-VFBGA

  • 100-CABGA(6x6)

  • 托盤

  • 70P257L55BYI

IDT70P257L55BYI相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM
    IDT [Integ...
  • 英文版
    x8 Dual-Port SRAM
    IDT
  • 英文版
    HIGH-SPEED 128K x 8 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 128K x 8 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 8K x 9 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 8K x 9 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 16K x 9 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 16K x 9 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 8K x 16 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 8K x 16 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    x16 Dual-Port SRAM
    IDT
  • 英文版
    HIGH-SPEED 32K x 16 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 32K x 16 DUAL-PORT STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 32K x 18 DUAL-PORT STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 2K x 8 FourPort STATIC RAM
    IDT
  • 英文版
    HIGH-SPEED 2K x 8 FourPort STATIC RAM
    IDT [Integrated...
  • 英文版
    HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
    IDT

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