參數(shù)資料
型號(hào)： M48T58Y-70MH1E
廠商： STMICROELECTRONICS
元件分類(lèi)： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO28
封裝： 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-28
文件頁(yè)數(shù)： 33/33頁(yè)
文件大?。?/td> 511K
代理商： M48T58Y-70MH1E
M48T58, M48T58Y
READ mode
Doc ID 2412 Rev 7
3
READ mode
The M48T58/Y is in the READ mode whenever W (WRITE enable) is high, E1 (chip enable
1) is low, and E2 (chip enable 2) is high. The unique address specified by the 13 address
inputs defines which one of the 8,192 bytes of data is to be accessed. Valid data will be
available at the data I/O pins within address access time (tAVQV) after the last address input
signal is stable, providing that the E1, E2, and G access times are also satisfied. If the E1,
E2 and G access times are not met, valid data will be available after the latter of the chip
enable access times (tE1LQV or tE2HQV) or output enable access time (tGLQV).
The state of the eight three-state data I/O signals is controlled by E1, E2 and G. If the
outputs are activated before tAVQV, the data lines will be driven to an indeterminate state
until tAVQV. If the address inputs are changed while E1, E2 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 5.
READ mode AC waveforms
Note:
WRITE enable (W) = high.
AI00962
tAVAV
tAVQV
tAXQX
tE1LQV
tE1LQX
tE1HQZ
tGLQV
tGLQX
tGHQZ
VALID
A0-A12
E1
G
DQ0-DQ7
tE2HQV
tE2HQX
VALID
tE2LQZ
E2
相關(guān)PDF資料
PDF描述
M48T58Y-70PC1TR 0 TIMER(S), REAL TIME CLOCK, PDIP28
M48T59V-70MH1E 0 TIMER(S), REAL TIME CLOCK, PDSO28
M48T59V-70PC1 0 TIMER(S), REAL TIME CLOCK, PDIP28
M48T59Y-70PC1DS 0 TIMER(S), REAL TIME CLOCK, PDIP28
M48T59V-70MH1TR 0 TIMER(S), REAL TIME CLOCK, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T58Y-70MH1EE 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
M48T58Y-70MH1F 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M48T58Y-70MH1FE 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
M48T58Y-70MH1TR 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
M48T58Y-70MH1TRE 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
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