AT27C040
AC Waveforms for Read Operation
(1)
Notes:
1.
2.
3.
4.
5.
Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
OE may be delayed up to t
CE
- t
OE
after the falling edge of CE without impact on t
CE
.
OE may be delayed up to t
ACC
- t
OE
after the address is valid without impact on t
ACC
.
This parameter is only sampled and is not 100% tested.
Output float is defined as the point when data is no longer driven.
Input Test Waveforms and Measurement Levels
Output Test Load
1.3V
(1N914)
OUTPUT
PIN
3.3K
CL
Pin Capacitance
f = 1 MHz, T = 25° C
(1)
Symbol
C
IN
C
OUT
Note:
Typ
4
8
Max
8
12
Units
pF
pF
Conditions
V
IN
= 0V
V
OUT
= 0V
1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
5
0189F–EPROM–4/03
ATMEL [ ATMEL CORPORATION ]
