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Details, datasheet, quote on part number:S2860
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Datasheet text preview:
Contents
Features Pin Assignment Block Diagram Operation Mode Absolute Maximum Ratings Recommended Operating Conditions DC Electrical Characteristics Rewriting Times Pin Capacitance AC Electrical Characteristics Operation Dimensions Ordering Information 1 1 2 2 2 2 3 3 3 4 8 9
CMOS 64K-bit PARALLEL E2PROM
S-2860B/2864B
The S-2860B and the S-2864B are low power 8K´8-bit parallel 2 E PROMs. The S-2860B features wide operating voltage range, and the S-2864B features 5-V single power supply. Since provided with 32byte page write function, they can perform fast programming operation.
n Features
· Access time: 150 ns (VCC=5 V±10%, Ta=0 °C to 70 °C). · Low power consumption. Operating: 30 mA max. (VCC=5 V±10%) Standby: 1 mA max. (VCC=5 V±10%) · Operating voltage range S-2860B S-2864B Read: 1.8 to 5.5 V 5 V±10% W rite: 2.7 to 5.5 V 5 V±10% · W rite inhibition S-2860B: 2.1 V typ S-2864B: 3.5 V typ · Data polling · Page write for 32 bytes 5 · Rewritings : 10 times · Data retention: 10 years · Program noise immunity · Package: 28-pin SOP/TSOP · Supply in bare chip is also available
n Pin Assignment
28-pin SOP Top view NC A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O 0 I/O 1 I/O 2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC WE NC A8 A9 A11 OE A10 CE I/O 7 I/O 6 I/O 5 I/O 4 I/O 3
Pin name A0 to A12 I/O0 to I/O7 CE OE WE VCC GND
Function Address input Data input / output Chip Enable Output Enable Write Enable Power supply voltage Ground (0 V)
28-pin TSOP
OE A11 A9 A8 NC WE VCC NC A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 9 10 11 12 13 14 7 8 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 GND I/O2 I/O1 I/O0 A0 A1 A2
Figure 1
Seiko Instruments Inc.
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CMOS 64K-bit PARALLEL E2PROM S-2860A/2864A
Block Diagram
A5 to A12
Address buffer & Latch
Row decoder
65,536-bit 2 E PROM Memory array
VCC CE OE WE
Write protection
High voltage generator 32-byte Page register Data polling
Control logic
Timer
I / O buffer
A0 to A4 VCC GND
Address buffer & Latch
Column decoder I / O0 to I / O7
Figure 2
Operation Mode
Table 1 Mode Read Write Write inhibition Standby CE L L OE L H WE H L H I/O Data output Data input
H
L
High-Z X : Don t care
Absolute Maximum Ratings
Table 2 Parameter Power supply voltage Input voltage Output voltage Storage temperature under bias Storage temperature Symbol VCC VIN VOUT Tbias Tstg Ratings Unit V V V
0.3 to VCC+0.3 0.3 to VCC 50 to +95 65 to +150
0.3 to +7.0
C C
Recommended Operating Conditions
Table 3 Parameter Power supply voltage Symbol VCC VIH VIL Topr Conditions S-2860B Read Write Min. 1.8 2 .7 4.5 2 .2 0.8VCC 0 . 3 0 . 3 0 . 3 4 0 Typ. Max. 5.5 5.5 5.5 VCC+0.3 VCC+0.3 0.8 0.4 0.2VCC 85 Unit V V V V V V V V C
5 .0
High level input voltage Low level input voltage Operating temperature
S-2864B VCC=2.7 to 5.5 V VCC=1.8 to 2.7 V VCC=4.5 to 5.5 V VCC=2.7 to 4.5 V VCC=1.8 to 2.7 V
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Seiko Instruments Inc.
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