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参数资料
| 型号： | PUMA2SV16000MB-020 |
| 元件分类： | SRAM |
| 英文描述： | 512K X 32 MULTI DEVICE SRAM MODULE, 20 ns, CHMA66 |
| 封装： | CERAMIC, PGA-66 |
| 文件页数： | 4/10页 |
| 文件大小： | 195K |
| 代理商： | PUMA2SV16000MB-020 |
PUMA 2/77SV16000 - 020/025/35
Issue 1.1 : April 2001
3
Operating Modes
The Table below shows the logic inputs required to control the operating modes of each of the SRAMs on the
device.
Mode
CS
OE
WE
V
CC Current
I/O Pin
Reference Cycle
Not Selected
1
X
I
SB1,ISB2
High Z
Power Down
Output Disable
0
1
I
CC
High Z
Read
0
1
I
CC
D
OUT
Read cycle
Write
0
X
0
I
CC
D
IN
Write Cycle
Note: CS above is accessed through CS1~4 and WE is accessed through WE1~4. For correct operation, CS1~ 4 and
WE1~4 must operate simultaneously for 32 bit operation, in pairs for 16 bit operation, or singly for 8 bit operation.
1 = V
IH,
0 = V
IL,
X = Don't Care
166
30pF
I/O Pin
1.76V
AC Test Conditions
Output Load
*Input pulse levels: 0.0V to 3.0V
*Input rise and fall times: 3 ns
*Input and Output timing reference levels: 1.5V
*V
cc=3.3V±10%
*PUMA module is tested in 32 bit mode.
Capacitance (V
CC=3.3V±10%,TA=25°C)
Note: These parameters are calculated and not measured.
Parameter
Symbol
Test Condition
typ
max
Unit
Input Capacitance Address, OE
C
IN1
V
IN =0V
-
34
pF
WE1~4, CS1~4
C
IN2
V
IN =0V
-
6
pF
I/O Capacitance
D0~31
C
I/O
V
I/O=0V
-
42
pF (8 bit mode)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PUMA2SV16000MB-35 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SRAM|512KX32|CMOS|PGA|66PIN|CERAMIC |
| PUMA2U1000-12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x32 EPROM Module |
| PUMA2U1000-15 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x32 EPROM Module |
| PUMA2U1000-17 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x32 EPROM Module |
| PUMA2U1000-20 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x32 EPROM Module |
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