m27128a STMicroelectronics, m27128a Datasheet - Page 4

• Manufacturer Part Number: m27128a
• Description: Nmos 128k 16k X 8 Uv Eprom
• Manufacturer: STMicroelectronics

Figure 5. Read Mode AC Waveforms
M27128A
AC MEASUREMENT CONDITIONS
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref. Voltages
Note that Output Hi-Z is defined as the point where data
is no longer driven.
Figure 3. AC Testing Input Output Waveforms
Table 5. Capacitance
Note: 1. Sampled only, not 100% tested.
4/10
0.45V
Symbol
2.4V
C
C
OUT
IN
Q0-Q7
A0-A13
E
G
Input Capacitance
Output Capacitance
(1)
Parameter
(T
A
= 25 C, f = 1 MHz )
tAVQV
tELQV
0.45V to 2.4V
0.8V to 2.0V
20ns
tGLQV
2.0V
0.8V
AI00827
VALID
Test Condition
V
V
OUT
IN
Figure 4. AC Testing Load Circuit
= 0V
= 0V
C L includes JIG capacitance
DEVICE
UNDER
TEST
DATA OUT
tAXQX
tGHQZ
tEHQZ
Min
=
=
1.3V
1N914
3.3k
C L = 100pF
Max
12
6
AI00771
Hi-Z
OUT
AI00828
Unit
pF
pF