PDM41028 Datasheet, PDF (4/8 Pages) List of Unclassifed Manufacturers – 1 Megabit Static RAM 256K x 4-Bit

PDM41028
Capacitance⁽¹⁾ (T_A = +25°C, f = 1.0 MHz)
Symbol
Parameter
Max.
Unit
C_IN
Input Capacitance
8
pF
C_OUT
Output Capacitance
8
pF
NOTE:1. This parameter is determined by device characterization but is not production tested.
AC Test Conditions
Input pulse levels
Input rise and fall times
Input timing reference levels
Output reference levels
Output load
V_SS to 3.0V
3 ns
1.5V
1.5V
See Figures 1 and 2
D_OUT
255Ω
+5V
480Ω
30 pF
Figure 1. Output Load Equivalent
D_OUT
255Ω
+5V
480Ω
5 pf
Figure 2. Output Load Equivalent
(for t_LZCE, t_HZCE, t_LZWE, t_HZWE, t_LZOE,
t_HZOE)
Typical Delta tAA vs Capacitive Loading
5
4
3
2
1
0
0
30
Figu₆re₀ 4.
90
120
Additional Lumped Capacitive Loading (pF)
4
Rev. 2.2 - 4/29/98