IDT71V428S, IDT71V428L, 3.3V CMOS Static RAM
4 Meg (1M x 4-Bit)
AC Test Conditions
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
GND to 3.0V
1.5ns
1.5V
1.5V
See Figure 1, 2 and 3
3623 tbl 09
AC Test Loads
+1.5V
I/O
Z0 = 50Ω
50Ω
30pF
3623 drw 03
Figure 1. AC Test Load
Commercial and Industrial Temperature Ranges
DATAOUT
5pF*
3.3V
320Ω
350Ω
3623 drw 04
* Including jig and scope capacitance.
Figure 2. AC Test Load
(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, and tWHZ)
7
•
6
∆tAA, tACS
(Typical, ns) 5
4
3
2
•
1
•
•
•
•
•
8 20 40 60 80 100 120 140 160 180 200
CAPACITANCE (pF)
3623 drw 05
Figure 3. Output Capacitive Derating
6.442