msm521209 ETC-unknow, msm521209 Datasheet - Page 9

• Manufacturer Part Number: msm521209
• Description: 131,072-word 9-bit Cmos Static
• Manufacturer: ETC-unknow

¡ Semiconductor
CE Controlled Write (OE = H)
Notes:
ADDRESS
D
WE
OUT
D
CE
  
IN
1. A write cycle occurs during the overlap of CE = "L" and WE = "L".
2. OE may be either of "H" or "L" in the write cycle.
3. t
4. t
5. t
6. t
7. When I/O pins are in the output mode, don't apply the inverted input signal to the
output level.
output pins.
AS
WP
WR
WHZ
is specified from CE = "L" or WE = "L", whichever occurs last.
, t
is an overlap time of CE = "L" and WE = "L".
DS
is specified by the time when DATA output is floating, not defined by the
and t
t
AS
DH
are specified from CE = "H" or WE = "H", whichever occurs first.
t
AW
t
WC
t
CW
t
WP
High Impedance
t
DS
Data In
  
t
DH
t
WR
MSM521209
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