a627308 AMIC Technology Corporation, a627308 Datasheet - Page 10

• Manufacturer Part Number: a627308
• Description: 128k X 8 Bit Cmos Sram - Amic Technology
• Manufacturer: AMIC Technology Corporation

Timing Waveforms (continued)
Write Cycle 2
(Chip Enable Controlled)
Notes: 1. t
PRELIMINARY
2. A Write occurs during the overlap (t
3. t
4. If the CE1 low transition or the CE2 high transition occurs simultaneously with the WE low transition or after
5. t
6. OE is continuously low. ( OE = V
7. Transition is measured 500mV from steady state. This parameter is sampled and not 100% tested.
Address
D
the WE transition, outputs remain in a high impedance state.
CE1
CE2
WE
AS
WR
CW
OUT
D
IN
is measured from the address valid to the beginning of Write.
(6)
is measured from the earliest of CE1 or WE going high or CE2 going low to the end of the Write cycle.
is measured from the later of CE1 going low or CE2 going high to the end of Write.
(February, 2001, Version 0.2)
t
AS
1
IL
)
(4)
(4)
WP
t
WHZ
) of a low CE1 , a high CE2 and a low WE .
7
t
AW
t
t
t
CW
WP
CW
t
9
WC
5
2
5
t
DW
t
WR
3
t
DH
AMIC Technology, Inc.
A627308 Series