CAT28C256H13I-15 CATALYST SEMICONDUCTOR, CAT28C256H13I-15 Datasheet - Page 5

• Manufacturer Part Number: CAT28C256H13I-15
• Description: IC, EEPROM, 256KBIT, PARALLEL, TSOP-28
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT28C256H13I-15

• Memory Size: 256Kbit
• Memory Configuration: 32K X 8
• Ic Interface Type: Parallel
• Access Time: 150ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: TSOP
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. A write pulse of less than 20 ns duration will not initiate a write cycle.
11. This parameter is tested initially and after a design or process change that affects the parameter.
12. A timer of duration t
13. Input rise and fall times (10% and 90%) < 10 ns.
Table 7. A.C. CHARACTERISTICS, WRITE CYCLE
V
t
BLC
a transition from HIGH to LOW within t
CC
t
t
t
CW
INIT
WP
− 0.3 V
(Notes 11, 12)
Symbol
(Note 10)
(Note 10)
0.0 V
t
t
(Note 11)
t
t
t
t
OES
OEH
t
t
t
WC
AS
AH
CS
CH
DS
DH
BLC
Write Cycle Time
Address Setup Time
Address Hold Time
CE Setup Time
CE Hold Time
CE Pulse Time
OE Setup Time
OE Hold Time
WE Pulse Width
Data Setup Time
Data Hold Time
Write Inhibit Period After Power−up
Byte Load Cycle Time
INPUT PULSE LEVELS
max. begins with every LOW to HIGH transition of WE. If allowed to time out, a page or byte write will begin; however
Figure 2. A.C. Testing Input/Output Waveform
BLC
DEVICE
Figure 3. A.C. Testing Load Circuit (example)
UNDER
TEST
max. stops the timer.
Parameter
C
L
INCLUDES JIG CAPACITANCE
http://onsemi.com
(V
CC
= 5 V ±10%, unless otherwise specified.)
1.3 V
5
2.0 V
0.8 V
3.3 K
C
1N914
L
= 100 pF
Min
OUT
100
100
0.1
REFERENCE POINTS
50
50
10
28C256−12
0
0
0
0
0
5
(Note 13)
Max
100
10
5
Min
100
100
0.1
50
50
10
28C256−15
0
0
0
0
0
5
Max
100
10
5
Units
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms