M27256-F6 STMICROELECTRONICS [STMicroelectronics], M27256-F6 Datasheet - Page 4
M27256-F6
Manufacturer Part Number
M27256-F6
Description
NMOS 256K 32K x 8 UV EPROM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M27256-F6.pdf
(10 pages)
Figure 5. Read Mode AC Waveforms
M27256
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-A14
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
AI00758
Hi-Z
OUT
AI00828
Unit
pF
pF