Pin description, Absolute maximum ratings, D.c. characteristics – Rainbow Electronics HT93LC56 User Manual
Page 2: Ht93lc56
Pin Description
Pin Name
I/O
Description
CS
I
Chip select input
SK
I
Serial clock input
DI
I
Serial data input
DO
O
Serial data output
VSS
¾
Negative power supply, ground
ORG
I
Internal Organization
When ORG is connected to VDD or ORG is floated, the (
´16) memory organization is se-
lected. When ORG is tied to VSS, the (
´8) memory organization is selected. There is an in-
ternal pull-up resistor on the ORG pin. (HT93LC56-A)
NC
¾
No connection
VCC
¾
Positive power supply
Absolute Maximum Ratings
Operation Temperature (Commercial)..........................................................................................................0
°C to 70°C
Applied V
CC
Voltage with Respect to VSS..................................................................................................
-0.3V to 6.0V
Applied Voltage on any Pin with Respect to VSS
..................................................................................................
V
SS
-0.3V to V
CC
+0.3V
Supply READ Voltage ....................................................................................................................................2V to 5.5V
Note: These are stress ratings only. Stresses exceeding the range specified under
²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
D.C. Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
CC
Conditions
V
CC
Operating Voltage
¾
Read
2.0
¾
5.5
V
Write
2.4
¾
5.5
V
I
CC1
Operating Current (TTL)
5V
DO unload, SK=1MHz
¾
¾
5
mA
I
CC2
Operating Current (CMOS)
5V
DO unload, SK=1MHz
¾
¾
5
mA
2~5.5V
DO unload, SK=250kHz
¾
¾
5
mA
I
STB
Standby Current (CMOS)
5V
CS=SK=DI=0V
¾
¾
10
mA
I
LI
Input Leakage Current
5V
V
IN
=V
SS
~V
CC
0
¾
1
mA
I
LO
Output Leakage Current
5V
V
OUT
=V
SS
~V
CC
, CS=0V
0
¾
1
mA
V
IL
Input Low Voltage
5V
¾
0
¾
0.8
V
2~5.5V
¾
0
¾
0.1V
CC
V
V
IH
Input High Voltage
5V
¾
2
¾
V
CC
V
2~5.5V
¾
0.9V
CC
¾
V
CC
V
V
OL
Output Low Voltage
5V
I
OL
=2.1mA
¾
¾
0.4
V
2~5.5V
I
OL
=10
mA
¾
¾
0.2
V
V
OH
Output High Voltage
5V
I
OH
=
-400mA
2.4
¾
¾
V
2~5.5V
I
OH
=
-10mA
V
CC
-0.2
¾
¾
V
C
IN
Input Capacitance
¾
V
IN
=0V, f=250kHz
¾
¾
5
pF
C
OUT
Output Capacitance
¾
V
OUT
=0V, f=250kHz
¾
¾
5
pF
HT93LC56
Rev. 1.20
2
October 26, 2001