PDM41256 Datasheet, PDF (6/8 Pages) List of Unclassifed Manufacturers – 256K Static RAM 32K x 8-Bit

Write Cycle No. 1 (Write Enable Controlled)
PDM41256
Write Cycle No. 2 (Chip Enable Controlled)
AC Electrical Characteristics
Description
-7⁽⁶⁾
-8⁽⁶⁾
-10⁽⁶⁾
-12
-15
WRITE Cycle
WRITE cycle time
Chip enable to end of write
Address valid to end of write
Address setup time
Address hold from end of write
Write pulse width
Data setup time
Data hold time
Write disable to output in low Z^{(4, 5)}
Write enable to output in high Z^{(4, 5)}
Sym Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units
t_WC
7
8
10
12
15
ns
t_CW
7
8
10
10
12
ns
t_AW
7
8
10
10
12
ns
t_AS
0
0
0
0
0
ns
t_AH
0
0
0
0
0
ns
t_WP
7
8
10
10
11
ns
t_DS
6
7
7
7
7
ns
t_DH
0
0
0
0
0
ns
t_LZWE 0
0
0
0
0
ns
t_HZWE
3
3
3
3
3 ns
SHADED AREA = PRELIMINARY DATA.
3-38
Rev. 2.0 - 7/17/96