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TC55V040AFT-55 Datasheet(PDF) 4 Page - Toshiba Semiconductor

Part No. TC55V040AFT-55
Description  524,288-WORD BY 8-BIT FULL CMOS STATIC RAM
Download  11 Pages
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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TC55V040AFT-55 Datasheet(HTML) 4 Page - Toshiba Semiconductor

 
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TC55V040AFT-55,-70
2003-08-06
4/11
AC CHARACTERISTICS AND OPERATING CONDITIONS
(Ta
= −40° to 85°C, VDD = 2.7 to 3.6 V)
READ CYCLE
TC55V040AFT
-55
-70
SYMBOL
PARAMETER
MIN
MAX
MIN
MAX
UNIT
tRC
Read Cycle Time
55
70
tACC
Address Access Time
55
70
tCO1
Chip Enable(
1
CE ) Access Time
55
70
tCO2
Chip Enable(CE2) Access Time
55
70
tOE
Output Enable Access Time
30
35
tCOE
Chip Enable Low to Output Active
5
5
tOEE
Output Enable Low to Output Active
0
0
tOD
Chip Enable High to Output High-Z
25
30
tODO
Output Enable High to Output High-Z
25
30
tOH
Output Data Hold Time
10
10
ns
WRITE CYCLE
TC55V040AFT
-55
-70
SYMBOL
PARAMETER
MIN
MAX
MIN
MAX
UNIT
tWC
Write Cycle Time
55
70
tWP
Write Pulse Width
45
50
tCW
Chip Enable to End of Write
50
60
tAS
Address Setup Time
0
0
tWR
Write Recovery Time
0
0
tODW
R/W Low to Output High-Z
25
30
tOEW
R/W High to Output Active
0
0
tDS
Data Setup Time
25
30
tDH
Data Hold Time
0
0
ns
AC TEST CONDITIONS
PARAMETER
TEST CONDITION
Output load
30 pF
+ 1 TTL Gate
Input pulse level
0.4 V, 2.4 V
Timing measurements
VDD × 0.5
Reference level
VDD × 0.5
tR, tF
5 ns


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