m28256 STMicroelectronics, m28256 Datasheet - Page 7

• Manufacturer Part Number: m28256
• Description: 256 Kbit 32kb X8 Parallel Eeprom With Software Data Protection
• Manufacturer: STMicroelectronics

Table 4. AC Measurement Conditions
Figure 7. AC Testing Input Output Waveforms
Table 5. Capacitance
Note: 1. Sampled only, not 100% tested.
Table 6. Read Mode DC Characteristics for M28256
(T
Note: 1. All I/O’s open circuit.
Input Rise and Fall Times
Input Pulse Voltages (M28256)
Input Pulse Voltages (M28256-W)
Input and Output Timing Ref. Voltages (M28256)
Input and Output Timing Ref. Voltages (M28256-W)
Symbol
V CC – 0.3V
A
I
I
I
CC1
CC2
CC
V
V
V
V
= 0 to 70 C or –40 to 85 C; V
I
I
LO
Symbol
LI
OL
OH
IL
IH
4.5V to 5.5V Operating Voltage
2.7V to 3.6V Operating Voltage
(1)
C
(1)
(1)
C
2.4V
0.4V
OUT
IN
0V
Input Leakage Current
Output Leakage Current
Supply Current (TTL inputs)
Supply Current (CMOS inputs)
Supply Current (Standby) TTL
Supply Current (Standby) CMOS
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Capacitance
Output Capacitance
(1)
Parameter
Parameter
(T
A
= 25 C, f = 1 MHz )
CC
= 4.5V to 5.5V)
AI02101B
2.0V
0.8V
0.5 V CC
E = V
E = V
Test Condition
V
V
OUT
IL
IL
Test Condition
0V
0V
IN
E > V
Figure 8. AC Testing Equivalent Load Circuit
I
, G = V
, G = V
OH
I
OL
= 0V
= 0V
E = V
= –400 A
= 2.1 mA
V
V
C L includes JIG capacitance
CC
IN
IN
DEVICE
UNDER
IL
IL
TEST
–0.3V
IH
, f = 5 MHz
, f = 5 MHz
V
V
CC
CC
I OH
I OL
Min
– 0.3
Min
2.4
2
0V to V
0.4V to 2.4V
0.8V to 2.0V
0.5 V
Max
20ns
12
CC
6
V
CC
CC
–0.3V
Max
100
0.8
0.4
10
10
30
25
1
+ 0.5
C L = 100pF
AI02102B
M28256
Unit
OUT
pF
pF
Unit
mA
mA
mA
V
V
V
A
A
A
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