pdm41028 ETC-unknow, pdm41028 Datasheet - Page 4

• Manufacturer Part Number: pdm41028
• Description: 1 Megabit Static Ram 256k X 4-bit
• Manufacturer: ETC-unknow

4
Capacitance
NOTE:1. This parameter is determined by device characterization but is not production tested.
Symbol
C
C
IN
OUT
Figure 1. Output Load Equivalent
D
OUT
AC Test Conditions
255
Input pulse levels
Input rise and fall times
Input timing reference levels
Output reference levels
Output load
Parameter
Input Capacitance
Output Capacitance
5
4
3
2
1
0
(1)
0
Additional Lumped Capacitive Loading (pF)
Typical Delta t AA vs Capacitive Loading
(T
+5V
A
= +25 C, f = 1.0 MHz)
480
30 pF
30
Figure 4.
60
(for t
Figure 2. Output Load Equivalent
D
90
OUT
LZCE
255
See Figures 1 and 2
, t
HZCE
120
t
, t
HZOE
V
LZWE
Max.
SS
8
8
)
to 3.0V
, t
+5V
1.5V
1.5V
3 ns
HZWE
480
Unit
, t
pF
pF
5 pf
LZOE
,
Rev. 2.2 - 4/29/98
PDM41028