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PDF ( 数据手册 , 数据表 ) 28C16B

零件编号 28C16B
描述 M28C16B
制造商 STMicroelectronics
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28C16B 数据手册, 描述, 功能
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M28C16B
M28C17B
16 Kbit (2K x 8) Parallel EEPROM
With Software Data Protection
PRELIMINARY DATA
s Fast Access Time: 90 ns at VCC=5V
s Single Supply Voltage:
– 4.5 V to 5.5 V for M28CxxB
– 2.7 V to 3.6 V for M28CxxB-W
s Low Power Consumption
s Fast BYTE and PAGE WRITE (up to 64 Bytes)
– 3 ms at VCC=4.5 V
– 5 ms at VCC=2.7 V
s Enhanced Write Detection and Monitoring:
– Data Polling
– Toggle Bit
– Page Load Timer Status
s JEDEC Approved Bytewide Pin-Out
s Software Data Protection
s 100000 Erase/Write Cycles (minimum)
s Data Retention (minimum): 40 Years
DESCRIPTION
The M28C16B and M28C17B devices consist of
2048x8 bits of low power, parallel EEPROM, fabri-
cated with STMicroelectronics’ proprietary single
polysilicon CMOS technology. The devices offer
fast access time, with low power dissipation, and
require a single voltage supply.
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 (M28C17B only)
VCC
Supply Voltage
VSS Ground
PLCC32 (K)
Figure 1. Logic Diagram
VCC
11
A0-A10
8
DQ0-DQ7
W M28C16B
M28C17B
E
RB
G (M28C17B only)
VSS
AI02816
February 1999
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1/17







28C16B pdf, 数据表
M28C16B, M28C17B
Table 7. Input and Output Parameters1 (TA = 25 °C, f = 1 MHz)
Symbol
Parameter
Test Condition
CIN Input Capacitance
VIN = 0 V
COUT
Output Capacitance
Note: 1. Sampled only, not 100% tested.
VOUT = 0 V
Table 8. AC Measurement Conditions
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Reference Voltages
Min.
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Max.
6
12
Unit
pF
pF
20 ns
0.4 V to 2.4 V
0.8 V to 2.0 V
Figure 8. AC Testing Input Output Waveforms Figure 9. AC Testing Equivalent Load Circuit
2.4V
0.4V
2.0V
0.8V
AI02821
DEVICE
UNDER
TEST
IOL
IOH
CL includes JIG capacitance
OUT
CL = 100pF
AI02102B
8/17







28C16B equivalent, schematic
M28C16B, M28C17B
Table 12. PLCC32 - 32 lead Plastic Leaded Chip Carrier, rectangular
Symbol
Typ.
mm
Min.
Max.
Typ.
A
2.54
3.56
A1
1.52
2.41
A2 – 0.38
B
0.33
0.53
B1
0.66
0.81
D
12.32
12.57
D1
11.35
11.56
D2
9.91
10.92
E
14.86
15.11
E1
13.89
14.10
E2
12.45
13.46
e 1.27 –
– 0.050
F
0.00
0.25
R 0.89 –
– 0.035
N 32
Nd 7
Ne 9
CP 0.10
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inches
Min.
0.100
0.060
0.013
0.026
0.485
0.447
0.390
0.585
0.547
0.490
0.000
32
7
9
Max.
0.140
0.095
0.015
0.021
0.032
0.495
0.455
0.430
0.595
0.555
0.530
0.010
0.004
Figure 17. PLCC (K)
D
D1
1N
A1
A2
B1
Ne
Nd
PLCC
E1 E
F D2/E2
B
0.51 (.020)
1.14 (.045)
A
R CP
e
Note: 1. Drawing is not to scale.
16/17










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