Rainbow Electronics AT27C800 - Manual (Page 4)

AT27C800
4
Notes: 1. V
CC
must be applied simultaneously or before V
PP
, and removed simultaneously or after V
PP
.
2. V
PP
may be connected directly to V
CC
except during programming. The supply current would then be the sum of I
CC
and I
PP
.
Note: 2,3,4,5. See the AC Waveforms for Read Operation diagram.
DC and AC Operating Conditions for Read Operation
AT27C800
-90 -10 -12 -15
Operating
Temperature (Case)
Com. 0
°
C - 70
°
C 0
°
C - 70
°
C 0
°
C - 70
°
C 0
°
C - 70
°
C
Ind. -40
°
C - 85
°
C -40
°
C - 85
°
C -40
°
C - 85
°
C -40
°
C - 85
°
C
V
CC
Power Supply 5V
±
10% 5V
±
10% 5V
±
10% 5V
±
10%
DC and Operating Characteristics for Read Operation
Symbol Parameter Condition Min Max Units
I
LI
Input Load Current V
IN
= 0V to V
CC
±
1.0
µ
A
I
LO
Output Leakage Current V
OUT
= 0V to V
CC
±
5.0
µ
A
I
PP1
(2) V
PP
(1) Read/Standby Current V
PP
= V
CC
±
10
µ
A
I
SB
V
CC
(1) Standby Current
I
SB1
(CMOS), CE = V
CC
±
0.3V 100
µ
A
I
SB2
(TTL), CE = 2.0 to V
CC
+ 0.5V 1.0 mA
V
CC
Active Current f = 5MHz, I
OUT
= 0 mA,CE = V
IL
50 mA
V
IL
Input Low Voltage -0.6 0.8 V
V
IH
Input High Voltage 2.0 V
CC
+ 0.5 V
V
OL
Output Low Voltage I
OL
= 2.1 mA 0.4 V
V
OH
Output High Voltage I
OH
= -400 mA 2.4 V
AC Characteristics for Read Operation
Symbol Parameter Condition
AT27C800
Units
-90 -10 -12 -15
Min Max Min Max Min Max Min Max
t
ACC
(3) Address to Output Delay CE = OE = V
IL
90 100 120 150 ns
t
CE
(2) CE to Output Delay OE = V
IL
90 100 120 150 ns
t
OE
(2,3) OE to Output Delay CE = V
IL
40 40 40 50 ns
t
DF
(4,5)
OE or CE High to Output Float, whichever
occured first
30 30 35 40 ns
t
OH
(4)
Output Hold from Address CE or OE,
whichever occured first
5.0 5.0 5.0 5.0 ns
t
ST
BYTE High to Output Valid 90 100 120 150 ns
t
STD
BYTE Low to Output Transition 40 40 50 60 ns
Preliminary Information