TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 310

• Manufacturer Part Number: TMP91xy20AFG
• Manufacturer: Toshiba

Specifications of TMP91xy20AFG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M
• Rom Combinations: 8
• Ram Combinations: 8
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 1
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 77
• Power Supply Voltage(v): 3.0 to 3.6

4.4
* CL is
Note: Symbol x in the above table means the period of clock f
No. Symbol
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
SDRAM Controller AC Electrical Characteristics
t
t
t
t
t
t
t
t
t
WR2
CMS
CMH
t
RAS
RCD
t
RRD
t
t
t
t
t
t
t
CKS
RSC
t
t
for CPU core. The period of f
high-/low-frequency oscillator.
WR
CAS
RC
CH
OH
DH
RP
CK
CL
AC
DS
AS
AH
AC measuring conditions
•
•
latency.
Ref/active to ref/active command period
Active to precharge command period
Active to read/write command delay time
Precharge to active command period
Active to active command period
Write recovery time (CL* = 2)
Write recovery time
CLK cycle time (CL* = 2)
CLK high level width
CLK low level width
Access time from CLK (CL* = 2)
Output data hold time
Data-in setup time
Data-in hold time
Address setup time
Address hold time
CKE setup time
Command setup time
Command hold time
Mode register set cycle time
Output level: High = 0.7 Vcc, Low = 0.3 Vcc, CL = 50 pF
Input level: High = 0.9 Vcc, Low = 0.1 Vcc
Parameter
FPH
91C820A-308
depends on the clock gear setting or the selection of
2.5X−20
1.5X−35
0.5X−13
1X−15
1X−15
2X−35
1X−15
1X−15
1X−15
Min
4X
4X
2X
2X
6X
2X
3X
2X
2X
0
Variable
1X−25
12210
Max
FPH
, it’s half period of the system clock f
Min
148
148
222
111
Vcc = 2.7 to 3.6 V case of f
Vcc = 3.0 to 3.6 V case of f
74
74
74
74
22
22
39
72
20
22
22
22
74
27 MHz
0
5
12210
Max
12
111.1
166.7
Min
27.7
55.6
55.6
55.6
55.6
12.8
12.8
20.6
49.4
12.8
12.8
12.8
55.6
6.7
0.9
83
0
36 MHz
12210
Max
2.8
FPH
FPH
TMP91C820A
2008-02-20
= 27 MHz
= 36 MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYS