Ac waveforms for read operation, Input test waveforms and measurement levels, Output test load – Rainbow Electronics AT27C2048 User Manual
Page 5: Pin capacitance
AT27C2048
5
AC Waveforms for Read Operation
(1)
Notes:
1.
Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
2.
OE may be delayed up to t
CE
- t
OE
after the falling edge of CE without impact on t
CE
.
3.
OE may be delayed up to t
ACC
- t
OE
after the address is valid without impact on t
ACC
.
4.
This parameter is only sampled and is not 100% tested.
5.
Output float is defined as the point when data is no longer driven.
Input Test Waveforms and
Measurement Levels
For -55 devices only:
t
R
, t
F
< 5 ns (10% to 90%)
For -70, -90, -12 and -15 devices:
t
R
, t
F
< 20 ns (10% to 90%)
Output Test Load
Note:
CL = 100 pF including jig capacitance, except for the -55
devices, where CL = 30 pF.
Note:
1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
Pin Capacitance
f = 1 MHz, T = 25°C
(1)
Symbol
Typ
Max
Units
Conditions
C
IN
4
10
pF
V
IN
= 0V
C
OUT
8
12
pF
V
OUT
= 0V