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参数资料
| 型号： | M48T35AV-10MH6TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封装： | 0.330 INCH, PLASTIC, SOH-28 |
| 文件页数： | 23/25页 |
| 文件大小： | 510K |
| 代理商： | M48T35AV-10MH6TR |
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M48T35AY, M48T35AV
READ Mode
The M48T35AY/V is in the READ Mode whenever
W (WRITE Enable) is high and E (Chip Enable) is
low. The unique address specified by the 15 ad-
dress inputs defines which one of the 32,768 bytes
of data is to be accessed. Valid data will be avail-
able at the Data I/O pins within Address Access
time (tAVQV) after the last address input signal is
stable, providing that the E and G access times
are also satisfied.
If the E and G access times are not met, valid data
will be available after the latter of the Chip Enable
Access time (tELQV) or Output Enable Access time
(tGLQV).
The state of the eight three-state Data I/O signals
is controlled by E and G. If the outputs are activat-
ed before tAVQV, the data lines will be driven to an
indeterminate state until tAVQV. If the Address In-
puts are changed while E and G remain active,
output data will remain valid for Output Data Hold
time (tAXQX) but will go indeterminate until the next
Address Access.
Figure 7. READ Mode AC Waveforms
Note: WRITE Enable (W) = High.
Table 3. READ Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. CL = 5pF.
Symbol
Parameter(1)
M48T35AY
M48T35AV
Unit
–70
–100
MinMax
tAVAV
READ Cycle Time
70
100
ns
tAVQV
Address Valid to Output Valid
70
100
ns
tELQV
Chip Enable Low to Output Valid
70
100
ns
tGLQV
Output Enable Low to Output Valid
35
50
ns
tELQX
(2)
Chip Enable Low to Output Transition
5
10
ns
tGLQX
(2)
Output Enable Low to Output Transition
5
ns
tEHQZ
(2)
Chip Enable High to Output Hi-Z
25
50
ns
tGHQZ
(2)
Output Enable High to Output Hi-Z
25
40
ns
tAXQX
Address Transition to Output Transition
10
ns
AI00925
tAVAV
tAVQV
tAXQX
tELQV
tELQX
tEHQZ
tGLQV
tGLQX
tGHQZ
VALID
A0-A14
E
G
DQ0-DQ7
VALID
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T35AV-10PC1 | 功能描述:NVRAM 256K (32Kx8) 100ns RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
| M48T35AV-10PC1 | 制造商:STMicroelectronics 功能描述:NVRAM Memory IC |
| M48T35AV-10PC1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 256 Kbit (32 Kb x8) TIMEKEEPER㈢ SRAM |
| M48T35AV-10PC1F | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 256 Kbit (32 Kb x8) TIMEKEEPER㈢ SRAM |
| M48T35AV-10PC1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 256 Kbit (32 Kb x8) TIMEKEEPER㈢ SRAM |
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