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M69KB128AA データシート(PDF) 46 Page - STMicroelectronics

部品番号 M69KB128AA
部品情報  128 Mbit (8Mb x16) 1.8V Supply, Burst PSRAM
PDF  68 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M69KB128AA データシート(HTML) 46 Page - STMicroelectronics

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9 DC and AC parameters
M69KB128AA
46/68
Table 19.
Asynchronous Write AC Characteristics
Symbol
Alt.
Parameter(1)
M69KB128AA
Unit
70ns
85ns
MinMax
MinMax
tAVBL, tAVEL,
tAVWL, tLLWL
tAS
Address Set-up to Beginning of Write Operation
0
0
ns
tAVLH, tRHLH
tAVS
Address Valid to Latch Enable High
Configuration Register High to Latch Enable High
55
ns
tAVWH,
tAVEH, tAVBH
tAW
Address Set-up to End of Write Operation
70
85
ns
tAVAX
tWC
Write Cycle Time
70
85
ns
tBLBH, tBLEH
tBLWH
tBW
Upper/Lower Byte Enable Low to End of Write Operation
70
85
ns
tELTV
tCEW Chip Enable Low to WAIT Valid
1
7.5
1
7.5
ns
tEHEL
tCPH
Chip Enable High between Subsequent Asynchronous
Operations
55
ns
tELLH
tCVS Chip Enable Low to L High
7
7
ns
tELWH
tELEH
tELBH
tCW
Chip Enable Low to End of Write Operation
70
85
ns
tEHDX,
tWHDX,
tBHDX
tDH
Input Hold from Write
0
0
ns
tELWH,
tDVBH, tDVEH
tDVWH
tDW
Input Valid to Write Setup Time
20
20
ns
tEHTZ,
tBHTZ
(2)
tHZ
Chip Enable High to WAIT Hi-Z
LB/UB High to WAIT Hi-Z
Write Enable High to WAIT Hi-Z
88
ns
tLHAX, tLHRL
tAVH
Latch Enable High to Address Transition or
Latch Enable High to Configuration Register Low
22
ns
tLLLH
tVP
Latch Enable Low Pulse Width
5
7
ns
tLHLL
tVPH Latch Enable High Pulse Width
10
10
ns
tLLWH
tVS
Latch Enable Low to Write Enable High
70
85
ns
tWHQZ
tWHZ Beginning of Asynchronous Write to Data Output Hi-Z
10
10
ns
tWLBH,
tWLEH,
tWLWH
(3)
tWP
Write Pulse Width
45
55
ns



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