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M440T513Y Datasheet(PDF) 13 Page - STMicroelectronics

No. de pieza M440T513Y
Descripción Electrónicos  5.0V, 16 Mbit (512 Kbit x 32) TIMEKEEPER-R SRAM
PDF  26 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M440T513Y Datasheet(HTML) 13 Page - STMicroelectronics

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M440T513Y
Figure 13. Clock WRITE Mode AC Waveforms, Chip Enable-Controlled
Note: Clock Output Enable (GC) = High
Table 5. Memory/Clock WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –15 to 75°C; VCC = 4.5 to 5.5V (except where noted).
2. CL = 5pF.
Symbol
Parameter(1)
M440T513Y
Unit
Memory
Clock
–85
–15
Min
Max
Min
Max
tWC
tAVAV
WRITE Cycle Time
85
150
ns
tAW
tAVWL
Address Valid to WRITE Enable Low
0
0
ns
tAW
tAVEL
Address Valid to Chip Enable Low
0
0
ns
tWP
tWLWH
WRITE Enable Pulse Width
60
100
ns
tWP
tELEH
Chip Enable Low to Chip Enable High
65
150
ns
tWR
tWHAX
WRITE Enable High to Address Transition
5
10
ns
tWR
tEHAX
Chip Enable High to Address Transition
15
10
ns
tDS
tDVWH
Input Valid to WRITE Enable High
35
50
ns
tDS
tDVEH
Input Valid to Chip Enable High
35
50
ns
tDH
tWHDX
WRITE Enable High to Input Transition
5
0
ns
tDH
tEHDX
Chip Enable High to Input Transition
15
0
ns
tODW
tWLQZ
(2)
WRITE Enable Low to Output Hi-Z
30
50
ns
tAVWH
Address Valid to WRITE Enable High
70
150
ns
tAVEH
Address Valid to Chip Enable High
70
150
ns
tOEW
tWHQX
WRITE Enable High to Output Transition
5
5
ns
AI07019
tAVAV
tEHAX
tDVWH
A0-A5
EC
WC
DQC0-DQC7
VALID
tAVEH
tAVEL
tAVWL
tELEH
tWHDX
DATA INPUT



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