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參數(shù)資料
| 型號： | CYM74C430 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 82430FX PCIset Level II Cache Module(82430FX 芯片集電平II 高速緩沖存儲器模快系列) |
| 中文描述： | 82430FX PCIset二級緩存模塊（82430FX芯片集電平二高速緩沖存儲器模快系列） |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 106K |
| 代理商： | CYM74C430 |
Intel 82430FX PCIset Level II
Cache Module
CYM74C430
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
November 1995
1CYM74C430
Features
Pin-compatible secondary cache module family that ad-
heres to the Intel COAST 1.2 specification
Asynchronous (CYM74C430) configuration with pres-
ence and configuration detect pins
Ideal for Intel P54C-based systems with the 82430FX
(Triton
) chipset
Operates at 50, 60, and 66 MHz
Uses cost-effective CMOS asynchronous SRAMs.
160-position Burndy DIMM CELP2X80SC3Z48 connec-
tor
3.3V compatible inputs/data outputs
Functional Description
This secondary cache module is designed for Intel P54C sys-
tems with the 82430FX (Triton) chip set. CYM74C430 is an
asynchronous 256-Kbyte cache module that provides a low-cost,
high-performance solution using 5V SRAMs with outputs clamped
to 3.3V.
The CYM74C430 is organized as 32K by 64 data with an 8Kx8 tag
that supports 3-2-2-2 reads and 4-2-2-2 writes at 66 MHz.Multiple
ground pins and on-board decoupling capacitors ensure high
performance with maximum noise immunity.
All components on the cache module are surface mounted on
a multi-layer epoxy laminate (FR-4) substrate. All inputs and
data outputs are (3.3V) TTL compatible. The contact pins of
the module are plated with 150 micro-inches of nickel covered
by 30 micro-inches of gold.
Intel is a registered trademark of Intel Corporation.
Triton is a trademark of Intel Corporation.
LogicBlockDiagram-CYM74C430
LA[17:5]
CWE
0
CWE
1
CWE
2
CWE
3
A
A
A
CE
OE
D
D
D
D
CE
OE
CE
OE
CE
OE
CWE
4
CWE
5
CWE
6
CWE
7
A
CE
OE
A
CE
OE
A
CE
OE
A
CE
OE
D
D
D
D
COE
CWE[7:4]
D[7:0]
D[15:8]
D[23:16]
D[31:24]
D[39:32]
D[47:40]
D[55:48]
D[63:56]
32Kx 8
32Kx8
A[17:5]
ADDRESSLATCH
LE
CALE
A
FCT373C
CAA[4:3]
CAB[4:3]
CWE[3:0]
TWE
8Kx8
TIO[7:0]
CE
OE
WE
A
D
CS
PD4
GND
PD3
NC
PD2
GND
PD1
GND
PD0
NC
5 V
GND
CY7C1199
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