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M69KB128AA データシート(PDF) 47 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) 47 Page - STMicroelectronics

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M69KB128AA
9 DC and AC parameters
47/68
Figure 18. Chip Enable Controlled, Asynchronous Write AC Waveforms
1.
Data Inputs are Hi-Z if E is High, VIH.
tWHWL
tWPH Write Enable Pulse Width High
10
10
ns
tWHAX,
tEHAX, tBHAX
tWR
Write Recovery Time
0
0
ns
1.
These timings have been obtained in the measurement conditions described in Table 14: Operating and AC Measurement
Conditions and Figure 13: AC Measurement Load Circuit.
2.
The Hi-Z timings measure a 100mV transition from either VOH or VOL to VCCQ/2. The Low-Z timings measure a 100mV
transition from the Hi-Z (VCCQ/2) level to either VOH or VOL.
3.
W Low time must be limited to tEHEL.
Symbol
Alt.
Parameter(1)
M69KB128AA
Unit
70ns
85ns
MinMax
MinMax
DQ0-DQ15
VALID ADDRESS
Hi-Z
Hi-Z
tAVAX
tELTV
VALID INPUT
tAVEH
tEHAX
tELEH
tDVEH
tBLEH
Hi-Z
tEHDX
tWLEH
tWHWL
AI11284b
Addr.
G
WAIT
LB/UB
W
L
E
tAVEL,
tAVBL
tEHTZ
tEHEL



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