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M48T35 数据表(PDF) 9 Page - STMicroelectronics

部件名 M48T35
功能描述  5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM
PDF  28 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M48T35 数据表(HTML) 9 Page - STMicroelectronics

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M48T35, M48T35Y
Operation modes
Doc ID 2611 Rev 10
9/28
If the address inputs 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 5.
READ mode AC waveforms
Note:
WRITE enable (W) = high.
Table 3.
READ mode AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = 0 to 70 or –40 to 85 °C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where
noted).
M48T35/Y
Unit
Min
Max
tAVAV
READ cycle time
70
ns
tAVQV
Address valid to output valid
70
ns
tELQV
Chip enable low to output valid
70
ns
tGLQV
Output enable low to output valid
35
ns
tELQX
(2)
2.
CL = 5 pF.
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
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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