M27C64 STMICROELECTRONICS [STMicroelectronics], M27C64 Datasheet - Page 5

• Manufacturer Part Number: M27C64
• Description: 64 Kbit 8Kb x 8 UV EPROM and OTP EPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

AC MEASUREMENT CONDITIONS
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.
Figure 5. Read Mode AC Waveforms
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref.
Voltages
2.4V
0.4V
Symbol
C
C
OUT
IN
Q0-Q7
A0-A12
E
G
Input Capacitance
Output Capacitance
(1)
Parameter
(T
A
= 25 C, f = 1 MHz )
0.4V to 2.4V
0.8V to 2.0V
tAVQV
tELQV
20ns
tGLQV
VALID
2.0V
0.8V
AI00826
Test Condition
V
V
OUT
IN
Figure 4. AC Testing Load Circuit
= 0V
= 0V
C L includes JIG capacitance
DEVICE
UNDER
TEST
tAXQX
tGHQZ
tEHQZ
Min
VALID
1.3V
1N914
3.3k
C L = 100pF
Max
12
6
AI00778B
Hi-Z
M27C64A
OUT
AI00828
Unit
pF
pF
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