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參數(shù)資料
| 型號： | 70V18L15PF8 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | SRAM |
| 英文描述： | 64K X 9 DUAL-PORT SRAM, 15 ns, PQFP100 |
| 封裝： | TQFP-100 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 157K |
| 代理商： | 70V18L15PF8 |
2004 Integrated Device Technology, Inc.
1
OCTOBER 2004
DSC-4854/4
I/O
Control
Address
Decoder
64Kx9
MEMORY
ARRAY
70V18
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE 0L
OEL
R/
WL
A15L
A0L
I/O 0-8L
SEML
INTL
(2)
BUSYL
(1,2)
R/
WL
CE0L
OE
L
I/O
Control
Address
Decoder
OER
R/
WR
CE0R
A15R
A 0R
I/O 0-8R
SEMR
INT R
(2)
R
BUSY
(1,2)
M/
S
(1)
CE1L
R/
WR
CE0R
OER
CE1R
4854 drw 01
1L
CE
1R
CE
16
Functional Block Diagram
◆
◆ IDT70V18 easily expands data bus width to 18 bits or
more using the Master/Slave select when cascading more
than one device
◆
◆ M/
S = VIH for BUSY output flag on Master,
M/
S = VIL for BUSY input on Slave
◆
◆ Full on-chip hardware support of semaphore signaling
between ports
◆
◆ Fully asynchronous operation from either port
◆
◆ LVTTL-compatible, single 3.3V (±0.3V) power supply
◆
◆ Available in a 100-pin TQFP
◆
◆ Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Features
◆
◆ True Dual-Ported memory cells which allow simultaneous
access of the same memory location
◆
◆ High-speed access
– Commercial: 15/20ns (max.)
– Industrial: 20ns (max.)
◆
◆ Low-power operation
– IDT70V18L
Active: 440mW (typ.)
Standby: 660W (typ.)
◆
◆ Dual chip enables allow for depth expansion without
external logic
◆
◆ Busy and Interrupt Flags
◆
◆ On-chip port arbitration logic
HIGH-SPEED 3.3V
64K x 9 DUAL-PORT
STATIC RAM
IDT70V18L
NOTES:
1.
BUSY is an input as a Slave (M/S=VIL) and an output when it is a Master (M/S=VIH).
2.
BUSY and INT are non-tri-state totem-pole outputs (push-pull).
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| 70V22L20PF | 功能描述:IC SRAM QFP 制造商:idt, integrated device technology inc 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:90 |
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