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PDF M28C17A Data sheet ( Hoja de datos )
| Número de pieza | M28C17A | |
| Descripción | 16 Kbit (2K x 8) Parallel EEPROM | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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M28C16A
M28C17A
16 Kbit (2Kb x8) Parallel EEPROM
FAST ACCESS TIME:
– 150ns at 5V
– 250ns at 3V
SINGLE SUPPLY VOLTAGE:
– 5V ± 10% for M28C16A and M28C17A
– 2.7V to 3.6V for M28C16-xxW
LOW POWER CONSUMPTION
FAST WRITE CYCLE
– 32 Bytes Page Write Operation
– Byte or Page Write Cycle: 5ms
ENHANCED END OF WRITE DETECTION
– Ready/Busy Open Drain Output
– Data Polling
– Toggle Bit
PAGE LOAD TIMER STATUS BIT
HIGH RELIABILITY SINGLE POLYSILICON,
CMOS TECHNOLOGY
– Endurance >100,000 Erase/Write Cycles
– Data Retention >40 Years
JEDEC APPROVED BYTEWIDE PIN OUT
28
1
PDIP28 (BS)
PLCC32 (KA)
28
1
SO28 (MS)
300 mils
TSOP28 (NS)
8 x13.4mm
Figure 1. Logic Diagram
DESCRIPTION
The M28C16A and M28C17Aare 2K x8 low power
Parallel EEPROM fabricatedwith STMicroelectron-
ics proprietarysingle polysilicon CMOS technology.
The device offers fast access time with low power
dissipation and requires a 5V or 3V power supply.
VCC
11
A0-A10
8
DQ0-DQ7
Table 1. Signal Names
A0-A10
Address Input
DQ0-DQ7 Data Input / Output
W Write Enable
E Chip Enable
G Output Enable
RB Ready / Busy
VCC Supply Voltage
VSS Ground
W M28C16A
M28C17A
E
RB
G
VSS
AI02109
August 1998
1/19
1 page  
Table 4. AC Measurement Conditions
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref. Voltages
Note that Output Hi-Z is defined as the point where data is no longer driven.
M28C16A, M28C17A
≤ 20ns
0.4V to 2.4V
0.8V to 2.0V
Figure 5. AC Testing Input Output Waveforms
4.5V to 5.5V Operating Voltage
2.4V
0.4V
2.0V
0.8V
2.7V to 3.6V Operating Voltage
VCC – 0.3V
0V
0.5 VCC
AI02101B
Figure 6. AC Testing Equivalent Load Circuit
VCC
DEVICE
UNDER
TEST
IOL
IOH
OUT
CL = 30pF
CL includes JIG capacitance
AI02114
Table 5. Capacitance (1)
(TA = 25 °C, f = 1 MHz )
Symbol
Parameter
CIN Input Capacitance
COUT
Output Capacitance
Note: 1. Sampled only, not 100% tested.
Test Condition
VIN = 0V
VOUT = 0V
Min Max Unit
6 pF
12 pF
Table 6. Read Mode DC Characteristics for M28C16A and M28C17A
(TA = –40 to 85°C, VCC = 4.5V to 5.5V)
Symbol
Parameter
Test Condition
ILI Input Leakage Current
ILO
ICC (1)
ICC1 (1)
ICC2 (1)
Output Leakage Current
Supply Current (TTL and CMOS inputs)
Supply Current (Standby) TTL
Supply Current (Standby) CMOS
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
Note: 1. All I/O’s open circuit.
0V ≤ VIN ≤ VCC
0V ≤ VIN ≤ VCC
E = VIL, G = VIL , f = 5MHz
E = VIH
E > VCC – 0.3V
IOL = 2.1 mA
IOH = –400 µA
Min
–0.3
2
2.4
Max
10
10
25
1
50
0.8
VCC + 0.5
0.4
Unit
µA
µA
mA
mA
µA
V
V
V
V
5/19
5 Page 
Figure 8. Write Mode AC Waveforms - Write Enable Controlled
M28C16A, M28C17A
A0-A10
E
G
W
DQ0-DQ7
RB
VALID
tAVWL
tWLAX
tELWL
tWHEH
tGHWL
tWLWH
tWHGL
tWLDV
DATA IN
tDVWH
tWHWL
tWHDX
tWHRL
AI01512
Figure 9. Write Mode AC Waveforms - Chip Enable Controlled
A0-A10
E
G
W
DQ0-DQ7
RB
VALID
tAVEL
tELAX
tGHEL
tELEH
tWLEL
tELDV
DATA IN
tDVEH
tEHGL
tEHWH
tEHDX
tEHRL
AI01513
11/19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet M28C17A.PDF ] | |
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