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M48T59 Datasheet(PDF) 6 Page - STMicroelectronics

Part # M48T59
Description  64 Kbit 8Kb x8 TIMEKEEPER SRAM
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48T59 Datasheet(HTML) 6 Page - STMicroelectronics

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M48T59, M48T59Y, M48T59V
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Table 9. Read Mode AC Characteristics
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 4.75V to 5.5V or 4.5V to 5.5V or 3.0V to 3.6V)
Note: 1. CL = 100pF (see Fig 4).
2. CL = 5pF (see Fig 4).
Symbol
Parameter
M48T59/M48T59Y/M48T59V
Unit
-70
Min
Max
tAVAV
Read Cycle Time
70
ns
tAVQV
(1)
Address Valid to Output Valid
70
ns
tELQV
(1)
Chip Enable Low to Output Valid
70
ns
tGLQV
(1)
Output Enable Low to Output Valid
35
ns
tELQX
(2)
Chip Enable Low to Output Transition
5
ns
tGLQX
(2)
Output Enable Low to Output Transition
5
ns
tEHQZ
(2)
Chip Enable High to Output Hi-Z
25
ns
tGHQZ
(2)
Output Enable High to Output Hi-Z
25
ns
tAXQX
(1)
Address Transition to Output Transition
10
ns
Figure 6. Read Mode AC Waveforms.
Note: Write Enable (W) = High.
AI01385
tAVAV
tAVQV
tAXQX
tELQV
tELQX
tEHQZ
tGLQV
tGLQX
tGHQZ
VALID
A0-A12
E
G
DQ0-DQ7
VALID



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