AT28C64B-15PC Atmel, AT28C64B-15PC Datasheet - Page 10

• Manufacturer Part Number: AT28C64B-15PC
• Description: IC EEPROM 64KBIT 150NS 28DIP
• Manufacturer: Atmel

Specifications of AT28C64B-15PC

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 64K (8K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Software Data Protection Disable Algorithm
10
AT28C64B
Note:
1. Notes for software program code:
2. Data Format: I/O7 - I/O0 (Hex);
3. Write Protect state will be activated at end of write even if no other data is loaded.
4. Write Protect state will be deactivated at end of write period even if no other data is
5. 1 to 64 bytes of data are loaded.
Address Format: A12 - A0 (Hex).
loaded.
LOAD LAST BYTE
ANY ADDRESS
ADDRESS 0AAA
ADDRESS 0AAA
LAST ADDRESS
LOAD DATA AA
ADDRESS 1555
ADDRESS 1555
LOAD DATA AA
ADDRESS 1555
ADDRESS 1555
LOAD DATA XX
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 20
TO
TO
TO
TO
TO
TO
TO
TO
(1)
(4)
EXIT DATA
PROTECT STATE
(3)
0270I–PEEPR–08/03